Tarantula Sling Care Guide – The Video Version

A picture is worth a thousand words…

When I first became hooked by the hobby, I literally had to be convinced by a vendor to pick up my first spiderlings. True story.

At the time, I was looking for sexed juveniles and adults, and the thought of caring for a tiny, fragile ‘sling was terrifying to me. What would I feed it? How should I give it water? What if the temperature in my house was too low? A thousand daunting scenarios played through my mind, and almost all of them ended with a dead spider.

When I finally took the plunge and ordered my first two 3/4″ slings, I remember the feeling of dread I had waiting for them to be delivered. I was convinced that I had bit off more than I could chew, and now there was no turning back. When they arrived, I fussed over their enclosures, fixated on their burrowing and webbing habits, just about developed an ulcer when one buried itself, and panicked when they inevitably refused meals. I also spent hours on Google researching each seemingly odd or worrisome behavior for some type of reassurance that I wasn’t screwing up. Continue reading

Have You Ever Been Bit By a Tarantula? A Survey

If you’re a hobbyist, please take a few seconds to participate!

Okay, I’m hoping to get as much participation as possible on this, so my sincere thanks to anyone who takes  a moment to answer or share these two polls.

The first question pertains to whether or not you’ve ever experienced a bite under any circumstances. I hear a lot of folks, mostly those new to the hobby, make statements like, “it’s only a matter of time until I get bit.” Do bites happen? Sure. But my belief is that they are not very common. So, who out there has experienced the business end of a tarantula?

Continue reading

Dolichothele diamantinensis “Brazilian Blue Beauty” Care

Dolichothele diamantinensis  “Brazilian Blue Dwarf Beauty” Husbandry Notes

When I first got into the hobby, I tended to ignore some of the smaller species. I was basically obsessed with larger Ts, and most of my wish lists were filled with the giant species with leg spans of 7″ or more. At that time, I didn’t get some keepers’ obsessions with the so-called “dwarf” species. Wasn’t the point of keeping big spiders to show off species that were larger than your common garden spider? However, as my collection grew and I obtained more spiders, I matured a bit and let go of my anti-dwarf prejudices. I started to seek out smaller species like B. cabocla and dwarfs like Euathlus sp. red and Hapalopus sp. Colombia larges. It quickly became apparent that by shying away from the more diminutive species, I was missing out on some amazing animals.

After seeing some photos of the D. diamantinensis, I immediately moved this small species to the top of my wish list. These gorgeous, highly sought after spiders looked like miniature GBBs with their blues, greens, and a touch of red. Unfortunately, the first slings in the US were quite pricey, so I decided to wait it out a bit until prices fell. Finally, in December of 2016, I received three gorgeous little slings from Tanya at Fear Not Tarantulas with the polite warning that they were very fast.

She wasn’t kidding.

These little guys are quite speedy as slings, and keepers should take precautions before transferring or rehousing them to prevent escapes. I pride myself on my ability to transfer spiders without incident, and these little spitfires gave me a run for my money. Continue reading

Psalmopoeus irminia “Venezuelan suntiger)” Husbandry Notes

A gorgeous, if somewhat reclusive, arboreal.

Years ago when I was getting serious about tarantulas and researching which species were currently available, I stumbled upon this gorgeous black spider with orange highlights on its legs and abdomen. Besides being an amazing looking spider (I’m a sucker for orange) it had one of the coolest common names I had heard…the “Venezuelan suntiger.” However, as I was new to the hobby, I was turned off to this species when I read that this arboreal was fast, skittish, and could have quite the attitude. For a while, I forgot about it as I became more interested in calmer, slower-moving terrestrials.

Fast forward several years…

P. irminia (c) Dallas Beck

After receiving a Psalmopoeus cambridgei as a freebie, I immediately developed more of an appreciation for arboreal tarantulas other than ones in the Poecilotheria genus. Eager to add some new tree spiders to my collection, I was again reminded of the P. irminia. I was more than ready for this spider now, so when I saw that Tanya at Fear Not Tarantulas had a juvenile female listed, I jumped at it. Continue reading

CEC’s Action Plan for Sustainable Trade in Tarantulas

Important Reading For all Hobbyists

Recently, the Commission for Environmental Cooperation (CEC) released five action plans “to promote legal, sustainable and traceable trade in selected North American species” (West & Cooper vii) listed in CITES. 55 taxa were identified and organized into five groups: parrots, sharks, timber species, turtles and tortoises, and tarantulas. These plans were created under the guidance of the CITES Authorities of Mexico, Canada, and the United states, the three countries involved in the legal trade of these species.

Megan Ainscow from the CEC was gracious enough to pass the report on tarantulas to me so I could share it with my readers. For those interested in reading the report (and it’s actually very easy reading and quite interesting) just click the picture above or the link below.

READ THE REPORT HERE

To encapsulate, the CEC brought together the main stakeholders in the Brachypelma tarantula trade—Canada, Mexico, and the US—for a workshop in October 25-26 in Mexico City, and the reports were generated from consultation with these stake holders. Continue reading

B. smithi is Now B. hamorii – A Breakdown of the Taxonomic Revision Paper

“A rose by any other name would smell as sweet” – William Shakespeare

It was talked about and anticipated for years, and on April 26, it became official. Jorge Mendoza and Oscar Francke’s paper on the revision of the Brachypelma red-kneed tarantulas was officially published.  This paper had many informed hobbyists sighing in resignation as they reached for their label makers and bade farewell to a familiar name. As a result, the beloved Brachypelma smithi that has proliferated collections for decades has a brand new name…Brachypelma hamorii.

Continue reading

Tarantula Impaction Revisited

Tarantula Fecal Impaction Revisited

Back in September of 2014, I lost a seemingly healthy juvenile H. villosella a couple months after its most recent molt. Said specimen seemed to experience no difficulties during the shedding process, and after a hardening period, resumed eating as normal. She ate twice, displaying the ravenous appetite I had come to expect from this spider as she easily consumed two larger prey items. However, when I dropped in what would be her third meal after her recent molt, she refused it. A week later, she refused her fourth.

A few weeks later, she was dead.

At first, I was totally perplexed as to what could have caused her untimely death. She had been provided water, and I had caught her drinking on a couple occasions. She had been eating okay after her molt, which I thought would indicate that there were no issues. A closer examination of her revealed some clues. Despite the fact that she hadn’t been eating, her abdomen was quite plump and a bit hard. She also had chalky white stuff—stool—caked around her anus. When I looked closely, I could also see a tiny hard plug blocking the opening itself.

A dead H. villosella sling. Notice the white around the anus, and the yellowish spot that formed beneath the corpse (likely feces loosened by the moist towel.

After doing a bit of research, I realized that I had likely experienced my first occurrence of tarantula fecal impaction. An impaction occurs when the tarantula’s anus becomes obstructed, rendering it unable to defecate. The spider will often continue to eat and drink normally, giving the keeper little indication that something is amiss even as the waste builds up inside it. Eventually, the poor animal will become sluggish before finally succumbing to the ailment and dying. Continue reading

The Importance of Respect and Open-mindedness In the Tarantula Hobby

Or, Why we need to eliminate the “My Way or the Highway” Attitude in Tarantula Keeping

No matter the hobby or interest, there are always going to be debates and arguments between those with different views. Whether it be sports, music, movies, or cars, it seems that many folks believe that an integral part of becoming an “expert” in a particular area entails showcasing your vast knowledge in spirited kerfuffles with other enthusiasts. After all, what better way to show how much you know than to verbally beat down someone with less awareness on the subject?

The tarantula hobby, of course, is no exception. Anyone who spends time on a public forum or group dedicated to tarantulas will inevitably encounter some “grab the popcorn” level disagreements about various subjects. Topics like handling, water dishes, supplemental heating, and even basic husbandry can lead to many passionate, often nasty, disagreements between experts and novices alike. The difference between our hobby and others however is, when two folks argue over who has the better baseball team or who the best metal guitarist is, the only thing possibly hurt is an ego. When tarantulas are involved, however, these debates can lead to the propagation of misinformation…and in some cases, dead animals.

Recently, a couple negative interactions with other keepers really got me thinking about some of the issues with our hobby; namely, the close-minded adherence to personal anecdotal evidence and an unwillingness to accept that just because something works for a person, it doesn’t make it the only way to do things…or even the right way to do things.

In one instance (already documented in a previous post) an experienced keeper took issue with the fact that I said under most circumstances, heat and humidity are two things that keepers stress too much about. Said keeper explained that in his 18 years of breeding experience, he had learned that heat was very important, and he used mats to keep his enclosures warmer. He called the article one of the worst husbandry articles he has ever read.

In another instance, a YouTuber commented on a couple of my videos to say that “tarantulas don’t have water dishes in the wild,” and that all Ts can get their water through prey. When I tried to explain my point of view on the matter, I was called an “idiot” for wasting my time supplying these “useless” accessories.

Now, obviously there are jerks and bullies in every hobby, whether it’s gaming, exotic pets, or even cooking, so it’s not surprising that one might share his opinion in such a rancorous manner. Factor in that it’s the Internet, which can embolden even the most meek basement dwelling keyboard jockey, and the potential for useless, trollish banter increases 100 fold.

However, in both of these instances, it sounded as if the posters probably had some serious experience in the hobby. The rude tone of both comments indicated that these folks weren’t just ordinary internet trolls, but hobbyist who felt totally offended by what they saw as completely false and ridiculous statements. Their belief in their way of keeping spiders, one with heat and the other without dishes, was so strong, that they apparently found my statements to the contrary to be offensive. They were lashing out at comments that contradicted what they had witnessed with their own eyes.

It’s not their beliefs that I take issue with; on the contrary, although I don’t necessarily agree with their statements, I respect that it is apparently working for them. I also appreciate that trying to argue that using heat mats or leaving out water dishes is wrong as it would be fruitless. After all, if they are heating their collections and not supplying water dishes and their Ts are doing well, then how can I possibly say that they are wrong?

No, my issue is with the rude way they present their conflicting views, and the fact that they are not offering them as their opinions, but as fact. It’s an example of the whole, “I’m right, therefore you’re wrong” mentality that permeates the hobby. That’s dangerous territory, as there is already enough misinformation and opinion about tarantulas being passed around in cyberspace as fact; we don’t need more.

The problem is that we are taught to believe what we experience with our own senses, so it’s natural to trust our own observations as powerful anecdotal evidence. We keep our tarantulas a certain way, they eat, molt, and grow, therefore we have to be doing everything right. However, this type of evidence is far from scientific, and for it to become truly useful and important, we have to compare our experiences to those of other keepers. And for keepers to feel comfortable enough to publicly share their findings, we need to be a bit more nurturing and receptive as a collective when someone presents ideas that conflict with our own beliefs.

 

The catch 22 of anecdotal data

Is using anecdotal evidence wrong? No, it’s an invaluable part of the hobby. It’s important to remember that our hobby is very much built on the experience of past keepers, the pioneers who first experiment with keeping these unique animals. As more of these keepers recorded and reported on what worked (and sometimes, what didn’t) over the course of several decades, these anecdotes accumulated into something much more substantial and powerful. We could now examine a more sizable sample of data and draw much more accurate and reliable conclusions from it. It was no longer one person saying that certain tarantulas don’t need extra heat or high humidity; it was hundreds.

A single keeper’s observations, although important, are still just anecdotal. Our minds can often cause us to recognize false positives as connections are made too easily and other pertinent information is disregarded or ignored. Personal bias or beliefs can often influence what we think we see, tainting the lens we view the world through. Your perceived experience with one tarantula is not enough to declare an observed connection as fact.

As an example, a beginning keeper posted on a message board that she had come up with a new way of keeping her tarantulas. After reading about their natural habitats, she began mixing sea salt in with their substrate. It appears that one of the habitat descriptions she read mentioned that some live in areas known to have small amounts of salt in the substrate, and she decided to try to create this mix in her terrarium. She lauded this new technique, even going so far to say that her tarantulas were now much more active and healthy since she made the move. Many folks like to experiment with substrate mixtures, and this woman was obviously trying to emulate her spider’s natural environment.

There was only one issue.

Salt is recognized as being poisonous to spiders and tarantulas and, when mixed with water, is used as a chemical-free pesticide by some. The idea of purposely introducing salt into a tarantula enclosure seemed dangerous to many. And, even if this additive wasn’t hurting her tarantulas, it certainly shouldn’t provide any health benefits.

When folks tried to politely inform this hobbyist that she could be putting her animals, especially the fragile slings, at risk, she scoffed at it. Her main argument? They were doing fine, so there must not be an issue. She chose to believe what she thought she was seeing with her own eyes rather than defer to the scientific evidence and collective experience that disproved her theory.

In the above example, I use a keeper who is new to the hobby. However, the same situation can occur with keepers that have been doing this for a while. There are some amazing veteran keepers out there who are keeping up with changes and advancements in the hobby. Then, there are others who feel that if it has worked for a decade or more, it is obviously the “correct” way to do things. I’m guessing that the breeder who took umbrage to my temperature and humidity post fell into this category. These folks feel very strongly that any husbandry that differs from what they do is therefore “incorrect”, and they can be quick to disparage folks that don’t fall in line with them. The problem is, there is a huge difference between, “This is what I do, and it has worked for me,” and “This is what I do, and it is the correct way to do it.” In the second situation, the keeper is relying on his or her observations only to declare something fact.

How can we really tell if they are happy or merely surviving?

Tarantulas are not the most expressive animals, so it can be very tricky to discern their moods or overall state of health or well-being. Many keepers talk about spiders that are seemingly fine one day, then curled up and dead the next. The warning signs of trouble are few and difficult to recognize, especially for those new to the hobby. So, although anecdotal data is very important, it can also be misleading when not compared with the observations of other keepers.

The fact that 10 different keepers can keep a spider 10 different ways and all report that the spider is seemingly thriving is a testament to just how adaptable and hardy these creatures are. It means that they are able to survive in a number of conditions, many of them adverse. Just because a T is eating and molting doesn’t mean that it’s getting the best care possible. Sadly, I’ve seen many folks justify their spotty husbandry by stating, “Well, it’s not dead, so I must be doing something right.” Can you imagine applying the same reasoning to your dog or cat?

To recognize when we are doing a good job with their care, we also need to consider what others are doing.

There is no instruction manual for raising tarantulas, and the handful of good husbandry books available often offer pertinent but limited information when it comes to the individual needs of specific species of tarantulas. After all, with over 900 species in the world, a book that covered the specific and detailed husbandry needs of each one would be one massive volume. That means the majority of the species-specific husbandry information we get comes from the cumulative accounts of those who keep them.

For example, Keeper A picks up a new species, does some research on its natural habitat, sets it up, and reports his observation on a blog, care sheet, forum, or in the comments of a YouTube video. Keeper B finds these accounts during her research, but she keeps her specimen in slightly colder temps and with less substrate. The tarantula appears to be fine, so she reports on her findings. Over the years, more keepers tweak this husbandry recipe until we finally come to having a “definitive” mode of husbandry.

And, on occasion, the generally recognized and accepted husbandry for a particular species proves to be incorrect. Take the genus Avicularia as a recent example. The internet is still rife with care sheets that state Avicularia need to be kept humid with moist substrate and frequent spraying. When hobbyists first began keeping this species, they looked to their natural habitat to determine how they should be kept. As they hail from humid locales, it seemed to make sense to keep them in humid enclosures. However, these species soon got a reputation for being fragile and difficult to keep as more and more hobbyist reported incidences of “Sudden Avic Death Syndrome”as their spiders died suddenly and with no apparent cause.

Then one day, some keeper or keepers got what must have been seen as a crazy idea. What if, instead of keeping them in stuffy and humid enclosures, we tried dry and well-ventilated ones instead?

Having witnessed what can happen in groups or on message boards when someone recommends a radical new husbandry idea, I can only imagine the backlash this poor guy or gal received when first sharing his or her findings. I can just imagine responses like, “Everyone knows avics need high humidity!” or “You can’t keep them dry…they’ll die!” For anyone who has spent time on certain message boards or Facebook groups, you can probably appreciate what a fracas this would have created.

And yet this out-of-the-box thinking not only revolutionized how we keep this species, but also likely saved thousands of spiders. It is now widely recognized that many of those SADS deaths could be attributed to dank, stuffy cages, and folks who keep them dry and well-ventilated report healthy spiders. If this person or people had their voices drowned out by close-minded hobbyists that “knew better”, we might still be keeping these animals wrong.

It is crucial that folks in this hobby feel safe to express new ideas.

Instances like this serve as sterling examples of why it’s always crucial to be open-minded when hearing new techniques or ideas. Does it mean we have to accept everything as true and valid? Of course not. There are going to be times where keepers come up with some outlandish ideas that seem to lack any shred of common sense. I’ve also seen a lot of new hobbyists who read something false then report it as fact in an effort to appear “in the know.” However, the way we respond to these folks is still important. Instead of a dozen people hopping on to decry the keeper as reckless, irresponsible, or stupid, perhaps a more civil reply is in order. Consider these two responses to someone who has reported something suspect:

Ridiculous. That’s a great way to kill your T. Do some more research.”

Or

Interesting. I do appreciate your perspective. However, experience has taught me otherwise. Here is what I’ve found (insert explanation here). Thanks for sharing and good luck!”

As this is a public dialog, the first reply is going to be seen by others who are now likely worried about opening their mouths and sounding stupid. After all, who wants to be rudely and publicly admonished in such a manner? Talk about a great way to choke off discourse. Furthermore, by scolding the poster in such a brash manner they’re likely to become defensive and close off to hearing conflicting viewpoints. Absolutely nothing is gained in this exchange. However, with the second more polite response, the original poster is more likely to at least consider that he may want to rethink his technique. This type of mature reply will also foster a more open and friendly tone for the communication of ideas (good and bad), and invite more folks to share their experiences.

Everyone wins.

Valuable information can be gleaned from alternative viewpoint and strategies.

Recently, popular YouTuber Deadly Tarantula girl shared a video about how she keeps her P. muticus specimens, and the video received quite a bit of backlash. Although the general consensus is that these are fossorial species that require deep substrate in which to dig in order to thrive, Marita explained that she keeps hers terrestrially with a bit of substrate and a hide. Now, although this flies in the face of how most folks choose to keep this species, it should be noted that Marita has been in the hobby for a long time, and although she does some things that might be “controversial”, she has years of experience to fall back on. And, having kept the muticus for over 20 years, she should definitely know a thing or two about their care.

I must admit, when first viewing the video, I was impressed that she would post something that she obviously knew would be incredibly divisive. At the same time I was not quite in agreement, as this was NOT how I kept mine. That said, instead of firing off some snarky knee-jerk comment about the video, I mulled over what she said and took to following the comments being posted about it.

The incident served as the impetus for an amazing dialog between several hobbyists and I about this species, leading many of us to realize that trying to replicate its natural habitat with the deep substrate could be creating some problems with its husbandry. Many folks, me included, reported issues with their specimens sealing themselves up in the bottom of deep burrows and never resurfacing to eat. In some cases, the animals seemingly starved to death after months secreted away in their burrows.

Which is the “correct” way? I don’t have a definitive answer yet, but DTG video spurred the type of thought and discussion that would hopefully lead to better husbandry practices and healthier Ts. Many of us were left rethinking what we thought we knew about this species and its proper care. It clearly illustrates how important the sharing of information can be in this hobby, as well as the importance of always keeping an open mind when being presented with new perspectives.

Now, before someone gets the idea that I’m encouraging wild experimentation in the hobby, that’s not at all my point. Although I think it’s healthy to consider new perspectives while evolving your husbandry, turning your back on scientific evidence or years of generally recognized husbandry can be dangerous. There is a big difference between experience-guided decisions and blind experimentation.

I AM advocating for two very important things; respect and open-mindedness.

Respect the opinions of others, no matter how outlandish or contrary they may seem. I love when those on message boards ridicule or chastise someone for a poor husbandry choice, then justify it by saying that they are “teaching.” That’s not teaching. A teacher will politely address the person, offering clear and non-judgmental feedback as to why they feel the person may be incorrect. The “student” should leave the conversation feeling educated and supported, not ridiculed and attacked.

Of course, respect goes both ways. If you’re the seasoned keeper addressing a newbie who may be suggesting something strange, try to remember what it was like to be new to this hobby and be patient with your reply. Ridicule and browbeating has no place in constructive discourse. If you’re the newbie and a seasoned keeper offers your polite feedback, be respectful of their experience level within the hobby. Becoming snotty and contrary does no one any good.

And I don’t care if you’re a keeper with 10 years of experience or 10 days, it’s always important to keep an open mind. The question you should always use to guide you through keeping is not “Does it work”; it’s “Is there a better way?” Even when confronted with husbandry techniques and practices that differ greatly from what you do, you should try to be open-minded and see if there is something to be gleaned from the experience. After all, what you do may work for you, but it may not necessarily be the best way to do it.

The importance of sharing information without fear of repudiation or admonishment is crucial to the advancement of the hobby. The truth is, no matter how large our collections may grow, they still only represent a micro-fraction of the animals being kept. To really get a better, more accurate view of what “works”, we need a much larger sample than that of just one keeper. We need to collectively pool our experiences, both good and bad, to ensure that this incredible hobby continues to grow and to improve.

Tarantula Forum – A Friendly and Informative Place for Tarantula Enthusiasts

tarantula-forum-banner

For those who get hooked on the hobby, the topic of tarantulas can become all-absorbing. Suddenly, all of your free time is spent researching husbandry, learning scientific names, and observing and caring for these amazing creatures. However, unlike more “common” hobbies, like scrap booking, gaming, cooking, or any other pastime that doesn’t involve giant spiders, it can be very difficult finding like-minded folks to share your enthusiasm with.

We’ve all been guilty of it. We corner a spouse to share our excitement over finding a species online for a good price. Or, a coworker asks how our weekend was, and we respond by showing them photos of a recent molt. This can leave folks smiling uncomfortably and nodding politely as they try to figure out what the hell a “Poecilotheria” is and how to get away from you.  After all, family, friends, and co-workers can only take so much spider talk before it becomes a bit overwhelming … and annoying. It doesn’t take long for you to be a person to avoid, a bit of an eccentric pariah, as folks try to keep from getting trapped into hearing more tarantula talk.

Heck, I know my wife, family, and co-worker were probably getting a bit tired of hearing about spiders every time I opened my mouth, which is why I started to blog about it. I just needed to get it out of my system (and spare some loved ones in the process).

So, where do you go when to find friendly like-minded people who share your love for tarantulas.

Facebook groups have become a very popular destination for those wanting to share their love of tarantula keeping. Most people have Facebook pages, and it’s very easy to find a group that will work for you.

Forums are another option, and there are many out there that offer great experiences and a wealth of information. One place I like to recommend is the Tarantula Forum. I’ve been a member for many years, and I’ve found the folks there to be incredibly affable and helpful.  Want to post pics of a current molt? Or share your excitement over a recent acquisition? This is a wonderful place to do it and receive a warm response.

Even better, perhaps you have a question about husbandry or a particular species, but you’re afraid to ask. For those who have been on other social media sites or forums, you know how a seemingly innocent question can often lead to a lynch mob-type response. I can honestly say that I’ve never seen anything but positive, helpful, and encouraging replies to husbandry questions on the Tarantula Forum. It doesn’t matter how elementary or basic your question may be, the folks there will offer sound advice without a measure of judgment.

Personally speaking, I go there to chat with other keepers and to have some fun. It’s a blast keeping up with some of the other keepers I’ve met through the forum, YouTube, or my website. Between my blog and the YouTube channel, I spend much times answering questions (which I love). Sometimes, however, I just want to unwind and socialize, and this forum has been a great place for that.

So, if your friends and family are currently scattering when you approach, or if you have a question that you would love some advice on, be sure to check out the Tarantula Forum. It’s  truly warm and welcoming community of keepers. And if you do, be sure to introduce yourself and drop me a line (you can find me under Tomoran with my familiar O. philippinus avatar!).

Tarantula Sling Husbandry – A Comprehensive Guide

A-HEADER-SLING-ARTICLE

I can remember getting my first two slings, a L. parahybana and a C. cyaneopubescens, several years ago. Although I had kept adult tarantulas before, these tiny little gals just seemed so tiny and fragile. I had spent hours researching the care, and had even spoken to a couple of keepers about them. I thought I had the correct setups, and my temperatures seemed okay, but I couldn’t shake the feeling that something with my husbandry was amiss and that I would inevitably end up with two dead slings.

Even folks who have kept larger specimens for years tend to experience more than their fair share of anxiety when they keep their first slings. Part of the problem is that much of what you read about sling care can conflict with what you read about their adult counterparts. For example, good husbandry information will tell you that the Brachypelma smithi is an arid species that requires dry substrate to be content. However, look up the care of a B. smithi sling, and you may find folks keeping them on damp substrate. Or, let’s consider the husbandry requirements for some arboreal species. Look up how to set up a Poeciotheria regalis, and you’ll be told a tall enclosure with a couple of inches of substrate and piece of cork bark flat for climbing. Pokie slings, however, will often burrow and stay beneath the ground until the reach the “juvenile” stage, so more substrate and less height might be prudent.

This conflicting, sometimes confusing, information can prove stressful to those new to the hobby (or even those used to Ts but raising slings for the first time). In the past several years, I’ve been contacted by many hobbyists new to keeping slings about my thoughts on their care. More than a few said that they wished there was a “standard of care” guide for those interested in raising slings for the first time.

Well, I definitely wouldn’t be presumptuous enough to label this attempt at a guide as the “standard”, but I will say that I’ve used the techniques, tricks, and information presented here to successfully raise healthy slings for years. I would definitely recommend that anyone attempting to raise a sling first look up the specific husbandry for the species they will be getting, and to use this FAQ as a springboard for further research. With that out of the way, let’s begin our rather lengthy tutorial on tarantula spiderlings.

Selecting the size of your sling

We’ve all been there. While shopping around for the tarantula species you’ve been eyeing, you find someone who has it for an impossibly good price. You can barely contain your excitement as you click on the photo to read the product description more closely to determine if there is a catch. As your eyes move from word to word, you find the little detail that makes your heart sink.

It’s not just a sling, it’s a small one. Really small.

1/4″ of spider.

Still the price is so good, you’re tempted to add it to your cart and pull the trigger. After all, there isn’t much difference between a 1″ sling and a 1/4″ sling, right?

Well, yes and no.

Baby tarantulas come with their own unique set of challenges, and the tiniest ones can be more challenging still. I usually encourage folks who are buying their first sling to try to get one at least .75″ or so, with spiderlings around 1″ being ideal. Slings of this size are usually better established and a bit more hardy than smaller ones, and it won’t be long until they reach the much less risky juvenile stage. As there will always be some anxiety involved when it comes to raising one’s first sling, a large specimen will bring a bit more piece of mind.

Besides being more fragile and susceptible to husbandry mistakes, spiders 1/4″ or less can be very difficult to see, as they often blend too well with the grains of the substrate. Factor in that many slings burrow, and you will likely spend several months staring at what seems like a plastic container of dirt. This can lead to the keeper constantly worrying that the animal has escaped or died. Also, slings of this size often must scavenge feed, or eat off of larger, previously-killed prey because most prey items offered on the market will be too large for them to take down. However, due to their minuscule size, it’s often impossible to tell whether they are feeding or not as even prey items that were fed upon may appear untouched. Finally, their tiny stature can make recognizing premolt more difficult.

Again, more stress.

Another important aspect to consider is the growth rate of the species. Many of the popular Grammostola, Brachypelma, and Aphonopelma species are very slow growers, especially as small slings. Not only can they take several months between molts, but the growth between molts, especially early on, can be negligible at best. Some of these species are also notorious for fasting, This means that if you purchase that the 1/4″ B. smithi sling you’re eyeing, it will likely be many years before you have an animal that looks like a big, hairy spider. If you’re the impatient sort, the wait can can be more than a bit frustrating.

Does this mean that someone shouldn’t attempt to raise a smaller sling as their first? Absolutely not. An informed hobbyist who is aware of the challenges they may face with a tiny sling may have no problem at all.  Obviously, plenty of hobbyists have succeeded in raising the smallest of slings successfully. However, before you hit that buy button, you should be aware of some of the challenges you may face.

Tip: Occasionally, a dealer will indicate the “age” of the spider by using the term “instars”. An instar is the period between each of a tarantula’s molts, and it can be used to identify how far along a sling is in its life cycle. For example, a sling that has molted out of its “eggs with legs” stage (they essentially look like yellow spider eggs with legs when first “hatched”) would be considered “1st instar”. After its next molt, it would be “2nd instar” … and so on. Therefore, a “4th instar” specimen would be a fairly well-establish sling. 

Your sling is on its way…now, what to put it in?

When you hit your local pet store to buy a new animal, you likely don’t have any issues finding an appropriate enclosure for it. After all, many of the creatures offered in the pet trade have been staples for years, and several companies have jumped into the lucrative pet industry with specialized enclosures. Buy a hamster? Get a hamster cage. Want some fish? Grab up that aquarium. Picking up that bearded dragon you’ve always wanted? Shell out for that awesome beardie set up kit.

Buy a baby tarantula on the other hand? Good luck.

The fact is, tarantulas are just starting to gain some mainstream popularity in the pet industry, and no one in the mainstream pet trade has, to my knowledge, produced an enclosure specifically for tarantulas, never mind a spiderling. And, as most pet store employees are woefully uneducated on proper tarantulas husbandry, if you do buy a cage from a pet store, you’re likely to come home with something that is inappropriate.

Tip: The popular all-purpose Critter Keeper cages are not appropriate for smaller slings. Although they make them in mini sizes that offer good dimensions for a baby spider, the vent slats in the lids are wide enough to permit a spiderling to escape. 

So, what do you do?

The good news is, you may have the perfect sling enclosure in your home right now.

Most serious keepers agree that part of the fun of the hobby is finding new and interesting containers to use as cages. I’ve personally experimented with dozens of plastic bins, containers, and such as my collection has grown, and I can’t walk into the container section of Walmart without scouring the assortment of canisters for something that might work with my Ts.

The most commonly used and appropriate sling enclosure options are quite inexpensive and easily acquired at the local grocery store or online. Just a couple of dollars and ten minutes of time can yield you the perfect sling housing. Let’s take a look at the most widely used containers.

Plastic snap cap or “dram” bottles: Keepers have used these for years, and they are particularly handy for folks who find themselves with huge quantities of slings. They are transparent, secure, and come in an assortment of convenient sizes. To ventilate, use a thumb tack or needle to poke several small holes in the top (I usually put a couple dozen). The only downside is that they are very difficult to vent anywhere other than the top, which means no cross-ventilation. They are also not stackable, which can be a bit inconvenient for those with several slings who want to conserve space.

Plastic dram vials used to house small slings.

Plastic dram vials used to house small slings.

Plastic spice jars: These are becoming more popular due to their convenient sizing (small jars are great for the tiny slings) and availability. They come in the same general sizes as the dram bottles, but the softer plastic used makes them much easier to ventilate on the sides. Just heat up a needle on the stove top or use a thumb tack to make a few rings of holes around the top half-inch or so. Many folks have these already in their cabinets, so one can be emptied, cleaned thoroughly, and used in a pinch. They are also readily available online from places like Amazon. Even better, many have little hatches in the lids that make feeding very convenient; just pop the little tab, drop the feeder in, and close it back up. Done.

Tip: Spiders are escape artist and can slip through holes and crevices that seem impossibly small. When making your vent holes, always make sure that they are smaller than the carapace of the T. If you slip up and make a hole that you think might be too large, stick a piece of clear tape over it.

Plastic spice jars make wonderful sling enclosures.

Plastic spice jars make wonderful sling enclosures.

Deli cups: Deli cups are an especially popular enclosure used by hobbyists to house their young spiders. They are very readily available, cheap, stackable, usually quite clear, and easily ventilated. Many keepers get them for free or for less than $1, and I’ve heard of more than a few stories of folks hitting the local deli for some soup or potato salad mostly for the cup. For those with large collections, you can buy them in batches of 50 for about $20. For those looking to house terrestrial slings, the 16 oz size is perfect, offering plenty of substrate depth for burrowers. As for arboreal or fossorial slings, the 32 oz version offers the extra height for climbers and substrate depth for diggers respectively.

Venting these is simple, as they are quite thin and the plastic easily perforated. Just heat up a nail on the stove top, grip it with pliers, and use it to make two or three rings of ventilation holes around the top. I usually space mine about 3/4″ inch apart in a  3/4-1″ band.

A couple simple deli cups.

A couple of simple deli cups.

Tip: For tiny slings, try using the 2 oz plastic souffle cups. These are usually crystal clear, secure, and much smaller than their 16 oz counterparts. They can also be bought or procured from delis or restaurants.

Amac boxes: These have become very popular in the past couple years, especially for folks who are handy and have some tools. They are crystal clear, very secure, come in a number of sizes, and are easily found at stores like the Hobby Lobby or online at the Container Store. For slings the 2 5/16″ x 2 5/16″ x 4 3/16 size is perfect. The plastic is quite thick on these, so burning holes in can be a bit of an issue. Most folks choose to either drill a series of vent holes with a drill or use a dremel tool to cut a large round hole and add an aluminum mesh vent.

Amac boxes, if modified and vented, can make good sling enclosures.

Amac boxes, if modified and vented, can make good sling enclosures.

These boxes can be a bit pricier than the other options, and the ventilation is a bit more difficult to accomplish. That said, they look gorgeous on a shelf. For an excellent tutorial into how to turn Amac boxes into tarantula habitats, click this link. Hobbyist Casey Peter does a great job of walking folks through it with step-by-step instructions.

Tip: If you’re using a new Amac box, try opening and closing it several times before you set if up for the spider. The tops can fit on quite tightly until they are loosened up a bit. This will make it much easier to open when you have your tarantula in it. 

And for those who don’t feel handy enough to make their own, Jamie’s Tarantulas sells pre-made ones with all of the fixings. It cost a bit more, but they work great and are ready to use right out of the box.

Three sling enclosures from Jamie's tarantulas. I have a dozen of these, and I love them.

Three sling enclosures from Jamie’s tarantulas. I have a dozen of these, and I love them.

Setting up the enclosure

Now that you’ve got your enclosure ventilated and ready to go, how do you set it up? What other materials do you need? Personally, I find setting up enclosures to be one of the most enjoyable aspects of the hobby. That said, it’s important to remember that when slings are involved, the correct setup is paramount to the aesthetic of it. Let’s look at what you’ll need.

Substrate – There are many types of materials you can use for substrate, including coco coir, peat, and plain top soil.  For a detailed description of the pros and cons of each, click the link to read “Choosing the Right Substrate for Your Tarantula“. Any of these, or a combination of them, work just fine, although the coco coir is quite popular with many hobbyists.

Water dish – For slings 1/2″ or larger, I strongly encourage the use of a water dish if one will fit (more on this in a bit). For deli cup enclosures, the small bottle caps from bottled water work great. If using a smaller enclosure, spraying or drizzling water on the substrate is always an option. Still some folks have gotten quite creative by using things like small single block Legos and golf Ts for water dishes. Don’t be afraid to experiment.

Cork bark – Spiderlings are nervous and reclusive creatures. After all, you have to figure that in the wild, the more they are seen, the better the chance they are preyed upon and eaten. Therefore, it’s always good to give them a place to hide. A small piece of cork bark can provide them with much appreciated cover and security.

Sphagnum moss – Sphagnum moss not only looks pretty in an enclosure, but it serves a couple valuable purposes. First, it holds moisture, so a keeper using spraying or dribbling to keep his pet hydrated will soak down the sphagnum to give the T a drink. Second, if cork bark isn’t available, it can serve as a makeshift hide for the slings, as many will crawl under it for cover.

Plastic/silk plant leaf – Again, another accessory that has more purpose than just the aesthetic. A plastic leaf can provide security for the tarantula as well as moisture. If you want to water your T but don’t have a water dish, spraying the plastic foliage is a great way to give your sling the opportunity to drink. For smaller enclosures, you can just lay the leaf on the substrate. For larger enclosures, most folks like to use hot glue to affix the leaves to the cork bark.

A piece of cork bark with a leaf hot glued onto it.

A piece of cork bark with a leaf hot glued onto it.

Now, unfortunately, some of the components will have to be purchased in “bulk”, as sphagnum moss is sold in bags and plastic leaves are usually plucked off of much larger plastic plants and vines. That said, this hobby is incredibly addictive, so just think of that bag and that plastic vine as a future investment.

Now that you have all of the components, here’s what you’ll need to do:

  1. Make sure that you have enough ventilation in your enclosure. You can’t drill or burn holes once the tarantula is inside, so if you think you might need more, add them now. If possible, make sure you have good cross-ventilation by putting the vent holes on the sides and not the top.
  2.  Add the substrate. If housing a terrestrial sling, you’ll want to fill at least two-thirds of the enclosure with packed down substrate. Although slings are lighter and less prone to injury from falling, you want to makes sure the height from the substrate to the top of the enclosure isn’t too high. A fall from too high, especially onto something hard like cork bark or a dish, can be fatal to a T. Also, notice the key phrase “packed down”. There is no need to leave the soil loose and fluffy; they can easily dig through it if they want. For an arboreal species, you don’t have to use quite as much substrate, but you still want to include enough to allow for burrowing (an inch or so is usually sufficient).
  3. Add a starter burrow or cork bark hide.  Personally, I like to use a utility knife to trim the cork bark a bit so that it fits neatly into a corner. For terrestrials, I will also use the handle of a paint brush to create a starter burrow beneath it. Most slings will scramble beneath to hide once being housed. For arboreals, I lean piece against the side of the enclosure at an angle. Fossorial, or burrowing species, will usually only need a starter burrow down the side of the enclosure. I use a pencil or the back of a paintbrush to make the tunnel straight down, then I pack the substrate good and tight around it. When I slip the brush or pencil out, the hole that remains is perfect for a shy little sling.
  4. If the leaf is not attached to the cork bark, add it now. In smaller setups, I’ve seen the leaf just planted in the substrate. This is fine, although if your little guy/gal is a digger, the fake foliage won’t stay up for long.
  5. Place a few pinches of sphagnum moss around the den.  Again, if you’re not able to include a hide, this is a great way to provide some security for your sling. If you go this route, create a starter burrow down the side of the enclosure for the sling.
  6. Finally, add and fill the water dish.  Nothing to this step; just push it down into a corner and fill it up with water. Viola…you’re done!

Arborial-vs-terrstrial

Tip: If using coco coir, especially damp, be sure to pack it down as tightly as you can. When it dries. coco fiber loses a lot of its volume. An enclosure with four inches of moist substrate to start will likely have only a couple of inches or so by the time it dries and settles. 

Receiving and unpacking  your sling

When slings arrive, they are usually safely cocooned in moist paper towel or tissue inside a plastic vial or, for the tiny ones, inside a piece of straw with paper plugs in each end. Because slings are very fragile and tiny, and it can be very difficult getting the paper towel lining out, extreme caution is needed when attempting to get the sling out of its travel packing and into its new home.

To remove the slings from the straws, simply pull the plug from both ends and set the straw in the enclosure. You can either let the sling come out on its own, or gently blow in one end to get it to come out.

For removing slings from the travel vials, I recommend using tweezers or tongs. Startled slings will sometimes bolt out, and you want to keep your finger away from them. Next, it’s time to carefully extract the packing material with the spider inside.

  1. First, pull the paper plug covering the hole if there is one (sometimes folks just fold over the paper towel to cover the opening.
  2. Next, get a grip on the edge of the towel while being very careful not to catch the spider or its legs.
  3. Once you have a really good grip, you want to very carefully pull out the entire cylinder of lining material at the same time. If the towel doesn’t come out in one chunk but instead starts to form a cone-like shape as the layers stretch out STOP IMMEDIATELY. If you continue to pull the towel you can constrict the tarantula, crushing it. It’s best to stop trying to extract it and instead let it come out on its own at this point.
  4. Once the paper towel or toilet paper is out, place it on the substrate and find the edge of the towel (it’s usually a flat piece rolled into a cylinder). Now, slowly start rolling it open. The unrolled paper towel can become quite long and cumbersome, so I will sometimes use scissors to carefully snip away sections of it as I unroll.
  5. When the spider is exposed, use a paintbrush to carefully guide it off the towel, or leave the small piece of towel it’s standing on behind and remove it later when the sling is exploring. Either works.

The video below shows the process many times (skip to 4:15 for the actually rehousings). Again, the key is to take your time and work very carefully around the fragile T.

If it’s too difficult to safely remove the packing and the sling, and if the enclosure offers enough room, your best bet is to place the opened vial inside and to let the animal come out on its own. Most will venture out if left in over night. Some vendors actually recommend that you use this method to rehouse the sling.

Tip: If your sling’s legs are curled or if it looks lethargic when you receive it, try putting it in a small container with some moistened paper towel and setting it aside in a warm corner of your home. Travel can be very stressful for Ts, and if they were not properly hydrated before their trip and the weather is warm (or, if it was too close to a heat pack), they can become dehydrated. Sometimes a good drink is all they need to spruce back up. Also, after being shipped in very cold or very warm temps, I like to unpack mine and let them adjust to my home’s temps for an hour or so before rehousing.

How long should you wait to try feeding it?

A lot of vendors will ask that you wait to feed your new slings for a couple of days or so after receiving them to let them acclimate and settle in. That’s actually a very prudent practice. After spending hours being bounced around on planes and trucks, they are suddenly deposited into brand new and alien environments. One would think they might need some time to calm down and adjust.

I have to admit, however, that I try feeding most of mine the same night to get a small meal in them after their shipping ordeal. I’ve found that tarantulas are incredibly resilient, and most will eat that same night.

Keeping your slings hydrated

One of the reasons slings are more susceptible to dehydration is that they lack the waxy coating on their exoskeletons that their juvenile and adult counterparts have. This layer helps the tarantula retain moisture and protects it from drying out. Until this coating develops, usually after several molts, it is much easier for a sling to die from desiccation. Although the so-called arid species are much more resistant to dry conditions, the slings can still run the risk of drying out. This can be a particular danger in the winter time when furnaces and fireplaces are heating homes and severely drying out the air. It’s important that all slings, even those who supposedly thrive in dry conditions, stay hydrated.

But how to do it?

Start by using water dishes. I use water dishes in just about all of my sling enclosures that I can fit them in, and I strongly advocate that others use them as well. Unfortunately, there is a persistent rumor that says that tarantula slings can drown in water dishes. Well, long story short, that’s just not true (for a more in-depth explanation, please check out the article Tarantula Controversies – Should I Give My Tarantula a Water Dish). And the benefit they add by affording a source of drinking water and extra humidity make them invaluable, in my opinion. Many keepers will often overflow the water dishes to also give the spiders a moist spot of substrate as well.

As for what to use for water dishes, the lids for plastic water bottles work fantastically well. They are small, blend into the enclosure well, and can be recycled if they get soiled. For spiders less than .5″, I’ve heard of folks getting quite creative. Some examples are:

  • Golf tees –  Chop off the spike to length, plant them in the substrate, and fill the top with water.
  • Legos – Apparently, the tiny round single-peg pieces make for good dishes!
  • Plastic pill capsules – You know those little plastic blister cards that you have to pop your pills out of? Well, some hobbyists carefully trim each of those little recessed disks off and use them as dishes.

The fact is, for a keeper who wants to make sure her slings have water at all times, there are many options.

A 32 oz deli cup arboreal setup with a bottle cap water dish.

A 32 oz deli cup arboreal setup with a bottle cap water dish.

Tip: It’s often easier to toss than to clean tiny water bowls, so it’s good to have many on hand, even with smaller collections. A good way to get a bunch quickly is to buy 12 packs of bottled water, either for personal consumption or to use for watering your spiders. 

Another common way to provide moisture to slings is by spraying or misting.  This is an age-old method that has probably been around as long as the hobby. It’s also fairly simple to do.  Open the top, spray a few squirts on the side of the enclosure, the plastic foliage, and the corner of the substrate — done.  Those who put sphagnum moss in their enclosures will also want to spray that down as well, as the moss will retain moisture for longer.

A spray bottle with an adjustable nozzle is a handy tool for misting and filling water dishes.

A spray bottle with an adjustable nozzle is a handy tool for misting, soaking substrate, and filling water dishes.

It’s important for keepers that use this method to come up with a regular schedule, as sprayed water can evaporate quickly leaving a small window for raised humidity and the availability of drinking water.  In the warm summer months or during the winter when the furnace is running non stop, it may be necessary to spray more often. For those who choose this method, the trick is to add some water without saturating the entire enclosure. Enclosures that are too moist and stuffy can be a death trap for slings. It takes experimentation and practice, but it can be an effective water delivery system.

Tip: As an alternative to spraying and misting, some keepers will instead “make it rain”. Instead of just spritzing the inside of the enclosure, some will instead sprinkle water over all or part of the substrate to simulate a rain shower. The water is then allowed to soak into the substrate, keeping it moister and providing humidity for much longer. This can be done by poking holes in the top of a plastic water or juice bottle and using it as a watering jug.

Some keepers choose to keep all of their small slings on moist substrate. The theory here is that all slings, due to their lack of that waxy layer, can benefit from a moist environment. Whether it be a traditional moisture-loving species like H. gigas or an arid species like the G. rosea, keepers who favor this method make sure they all have a moist and warm home. Then, as the more arid species  molt toward maturity and develop that protective coating, they allow the cages for those spiders to dry out.

Keeping all or just part of the substrate moist for all species means a more humid environment with less spraying. For keepers who are concerned about their Ts drying out, this leaves a much larger margin for error. If a keeper forgets to spray for a bit, the moisture that is slowly evaporating from the substrate can keep the humidity up so that the spider doesn’t become dehydrated.

My own practices

First off, almost all of my slings get water dishes. I’ve personally seen many of them drink, and I like the extra defense against dehydration they afford me. With most species, I will also overflow the dish, giving them a moist spot of substrate. For the two that don’t currently have them, I keep a portion of the substrate moistened and dribble water on the sphagnum and fake leaves for drinking once a week or so. As soon as these two are rehoused into larger enclosures, they will get dishes.

For my moisture-dependent species like O. violaceopes, H. gigas, T. stirmi, and C. lividum, I provide deep moist substrate, keeping the bottom layers moist at all times. To do this, I start with moist substrate in the enclosure, then I use the “rain” method (using a water bottle modified with several holes in the top to periodically simulate a rain shower) to re-wet it when it starts to dry out. I generally only have to do this a few times during the summer months, and once a month or so during the winter.  Ideally, you want the water to filter down the sides and deep into the substrate to keep the bottom levels moist.

I’ve also found a way that works for me to keep the moisture in the enclosure up for arid species while avoiding overly moist enclosures. When I pack the substrate into a new sling enclosure, I start with an inch or two (depending on the depth of the container) of moist sub mixed with a bit of vermiculite. I pack this down well, then fill the cage up the rest of the way with dry sub. Next, I make a starter burrow down the side of the enclosure for the new occupant. This keeps the top level dry, and allows the sling to use its instinctual burrowing behavior to dig down and find the humidity level it needs.

I first tried this technique with an Aphonopelma anax sling that was not settling in well after a couple of months in my care. The poor sling cowered in the corner, did not dig, did not eat, and didn’t seem to be thriving like my other slings. Even when I moistened a corner, the sling didn’t show a preference for it.

One night, I made a little trench down the corner of its enclosure to the bottom and poured water in, allowing it to moisten just the lower 1/2″ of dirt or so. The next day, I was shocked to discover that the sling had dug all the way down to the bottom and constructed a burrow in just a few hours time. Encouraged by this development, I dropped a roach in to see if it would eat. Within five minutes time, it was enjoying the first meal it had eaten in my care.

I’ve used this technique with several slings now, and I’ve had Brachypelma, Grammostola, and Aphonopelma species burrow down to take advantage of a moister burrow. When I add water to the substrate, I use the back of a paint brush to create a series of furrows down the side of the enclosure, then I carefully pour water down the side and allow it to drain through to the bottom. In fact, this is the same technique I use to keep the substrate in my moisture dependent species’ enclosures damp.

Keepers should use their discretion to come up with a system that works for them. Many will employ all three methods — moist substrate, water dishes, and spraying — in various measures to ensure the best possible care. For example, one might give their sling a moist spot of substrate AND a water dish. Or, I’ve heard of folks that keep arboreal species giving them water dishes on the ground and an occasional spritz on the top of the enclosure to let them grab a drink up high. The trick is to make sure that your tarantula remains properly hydrated without creating dank and potentially dangerous conditions.

Tip: In the winter, the furnace and wood stoves can really take the moisture out of the air, leaving humidity levels in your home very low. One way to protect your slings’ enclosures from drying out too quickly is to make a “sling nursery”. To do this, take a large plastic container with a lid and vent it around the sides. Place folded paper towels on the bottom, and then a smaller open container of water inside it. Now, place your sling containers around this water container and put the lid on. The water in the center reservoir will evaporate out, keeping the humidity inside the nursery higher than the outside. This will keep the moisture from evaporating out of your sling cages too quickly, thus protecting your Ts. 

An example of a sling nursery.

An example of a sling nursery.

Temperatures

Many folks like to keep their slings at higher temperatures, whether it be to encourage growth or because they believe that they will suffer health issues if kept cooler. I’ve read many care sheets from hobbyists and dealers alike that indicate that tarantula spiderlings must be kept in the 80s due to their fragility and need for more heat than their adult counterparts.

There are a couple of issues with this. First, most species don’t come from regions where it is always 80° or higher all year round. They come from areas where the temperatures can fluctuate a great deal. Even many of the so-called tropical species experience weather in the 60s. Then, if you factor in their burrowing, which has them underground where temps can be much cooler, and you see how this sweet spot of 80° or higher is likely an arbitrary number.

It’s also important to consider that the higher the temperatures, the more likely the chances of the spiderling dehydrating. Hotter air can mean faster evaporation, which can lead to a desiccated tarantula. In this scenario, the warmer temps would warrant more spraying and more filling of the water bowls. Definitely something to keep in mind if you’re keeping slings at higher temps.

Many keepers new to slings will immediately panic if the temps drop into the 70s and resort to alternative heating methods, like heat mats, to jack up the “dangerously low” temps. Not only is this usually completely unnecessary, but it can be dangerous to the slings as well. It’s very difficult heating a tiny enclosure safely, as heat lamps and mats can quickly overheat and dry out an enclosure.

Here’s the deal; most slings will do just fine at room temperature. I’ve personally raised dozens of slings, and it rarely hits 80 in my tarantula room. Furthermore, in the winter, temperatures usually hover between 70-72° during the nights, with an occasional drop into the high 60s. I’ve had no issues with slings dying from the temps or with my growth rates. Most continue to molt and eat right through the winter, albeit at a slower rate than they do in the warm summer months.

Does this mean it’s wrong to keep them at higher temps? Absolutely not. If a keeper has a way to safely maintain higher and consistent temps with his slings, then he or she can certainly do so. Some folks actually have tarantula rooms that they can heat separately from the rest of their homes, often with a space heater regulated by a thermostat. This is a safe and effective way to elevate temperatures consistently, and these keepers then can enjoy faster spider growth.

However, it is not a necessity.

Plenty of folks keep their slings in a range between 68-75° with no issues or deaths. The majority of species do just fine. The nice thing about sling enclosures is that they are small, so if one room is a bit too chilly, it’s not too difficult to find a warm spot in the house and keep them there.

Although It’s also important to remember that keeping slings at room temperature will not cause adverse affects, it should be mentioned that sustained temperatures in the cooler range can lead to lower metabolisms. So tarantulas consistently kept in low temps may experience the following:

  • Slower growth rates
  • Decreased appetites
  • Seasonal fasting

Of course, all species of tarantulas experience seasonal shifts in the wild, so this would be quite natural for a good majority of them.

My animals are all kept 70-75° in the winter, and 75-80° in the summer months. On occasion, the temps may dip to 68 for a night or two in the winter, or rise to the mid 80s in the summer. However, these two extremes are quite rare. A nighttime drop in temperature is also quite natural and not an issue.

Tip: If the temps in your home are just too low and you need to use an extra heat source, do NOT try to heat sling enclosures individually. If possible, use a space heater to heat the entire room. They’re relatively inexpensive, reliable, and deliver even heat that can be controlled by built-in thermostats. If you can’t use a space heater, anther way to go is to use a heat mat with a rheostat to heat a larger enclosure, like a 10 gallon aquarium, to ensure even heat inside. Then you can just place the sling enclosures inside this larger heated one. Folks who use this method carefully monitor the temps inside and will use a rheostat with a thermometer attachment to make sure the interior temps stays consistent. Those who go this route will often include a large open bowl of water inside as well to keep the air from drying out. As the water in the bowl evaporates, it will keep the humidity inside this “incubator” up.  A plastic cover with vent holes, not the common wire mesh ones sold at pet stores, will be needed for the large tank to maintain this micro-climate. 

Feeding Tarantula Slings

Now that you have your enclosure all set up and your new little acquisition inside, it’s time for the next major cause of anxiety — feeding. Perhaps your sling is so small that you’re afraid that you can’t find prey small enough. Or, maybe you’re staring at your 1/2″ spider wondering if it can possibly subdue and eat the 1″ cricket you just purchased from the pet store. Or, you could be standing in the reptile aisle at the pet store trying to figure out which of the five varieties of prey insects for sale would be appropriate for your little ward. We’ll now tackle some of the common and stressful questions a new spiderling keeper may have.

What do I feed my sling? The answer to this may seem obvious at first, but there are a lot of feeders available and a lot of misinformation out there about which feeder insect is best for your tarantulas. The fact is, any and all of the commonly available feeder bugs can be an appropriate feeder for your new spider. Commonly used insects include crickets, mealworms, super worms, B. dubia roaches, and B. lateralis (“red runner”) roaches. All of these will make a great meal for your tarantula. (for a more in-depth examination of this topic, check out “Tarantula Feeding — What, When, and How Much to feed”). For those really tiny slings, flightless fruit flies is also an option.

I’ve heard folks argue that certain feeder bugs are more “nutritious” for spiders than others, but I honestly find this a bit silly. I have a hard time believing that scientists actually studied the ideal nutritional requirements of spiders — heck, they haven’t even properly identified most species yet. If you’re worried that your prey item might not be the healthiest alternative for your T, then feel free to mix it up with other bugs and give it a variety of feeders. I like to mix it up myself, using crickets, mealworms, dubias, red runners, and hissers at different times.

What size should I feed them? Let’s start by looking at the size of the sling you are trying to feed. Slings less than 1/3″ can be difficult to find suitable live prey for. One appropriate and readily available option is flightless fruit flies. They are about 1/16″ long and are usually sold in cultures that would feed a few of the tiniest slings for quite a while.

Flightless fruit fliesBut what if you can’t find flightless fruit flies? Well, in the wild, most slings will resort to scavenge feeding, meaning they will feed off of larger prey that something else killed.  The good new is, they will readily do this in captivity as well, meaning that feeding a tiny sling can be quite simple. Can’t find a small enough prey item? No problem! Just take a small cricket, roach, or meal worm, pre-kill it, and drop it in. If the items are overly large, you can use a knife to cut them up into smaller pieces. For example, a large cricket leg would be a great meal for a 1/3″ sling. Is it gross? Yes. But for smaller slings, it’s an easy and effective way to make sure that they feed (and, it’s a lot easier than dealing with the fruit flies!).

For larger slings, 1/2″ or larger, dubia or red runner nymphs or pinhead crickets work great. Personally, I use small red runners for my smallest slings, as they are quite small and run around, making for a tempting meal.

As how to gauge what size to feed, I’ve heard quite a few “rules of thumb” on how to select a prey item. For most tarantulas, it’s best to feed them items that are shorter than the total length of their bodies. The majority of species will have no problem subduing prey items this size, and you’ll run less of a risk of the animal getting spooked by the size of the prey. It also never hurts to start much smaller, then try increasing the size of the prey if need be. I will often start my slings on very tiny prey to make sure they get a couple of meals in them, then increase the size after a few feedings.

Tip: Are there species that buck this rule? Sure. I’ve noticed that Phormictopus, Pamphobeteus, Theraphosa, Hapalopus, and Poecilotheria species seem to have no difficulty hunting prey larger than their bodies. However, to start out, it’s always best to go smaller. Let the tarantulas get a few meals in them before experimenting with a larger size. Larger prey can spook some species and put them off feeding. 

FEEDING-CHARTIllustration © 2016 Tom Moran

How much and  how often should I feed? A huge debate currently wages on over what constitutes “power feeding” and whether or not it is harmful to the spider. I’m not going to wade into that here, but those interested in hearing my take on it can read the article “Power Feeding Tarantulas”.

In the wild, slings will eat whenever they can. After all, in this tiny stage, they are more vulnerable to weather and predation from other animals, so it behooves them to put on size as quickly as possible. In our homes, a similar situation applies because their fragility makes them more vulnerable to husbandry mistakes. As we’ve already determined that slings are a bit more delicate than their adult counterparts, many keepers choose to get them out of the “sling” stage as quickly as possible. If this is the route you want to take, then feeding them small meals 2 or even 3 times a week is a great way to go. With this schedule, some of the faster-growing species like Lasiodora parahybana, the GBB, Hapalopus sp. Colombia large, and Phormictopus cancerides will be safely in the juvenile stage in no time.

Just keep in mind that if you choose to practice a more ambitious feeding schedule, you’ll want to make sure you have warmer temps to support it. Temps in the low high 60s to low 70s will slow a tarantulas metabolism, often affecting appetite and growth rate. Ideally, you’d want temps in the mid 70s or more for such an aggressive feeding schedule. Also, some species, like those in the genera Grammostola and Brachypelma, might not take that many meals regardless.

Most keepers that feed this often only do so until the tarantula hits about 1.5-2″ or so. At that point, they will shift to a once a week or even a bi-weekly schedule. The idea is to get the spider out of the delicate sling stage quickly, not to rush it to maturity.

Do I have to feed my tarantula that often?  The fact is, Ts have evolved to go without food for long stretches without experiencing ill effects. In the wild, some species likely go weeks or even months without food. Now, does that mean you should withhold food from your animal for that duration? No. But it does mean that they do not need to be fed as often as other pets. Many hobbyists feed their slings once a week or bi-weekly, and their animals are quite healthy.  Also, if you’re feeding your specimen prey on the larger side, you might want to consider feeding less often. A keeper can use her discretion to come up with a feeding schedule that works for her.

What happens if it doesn’t eat? 

Now, on occasion a sling may not eat. Although this may be cause for alarm, it is often a normal behavior. Here are some reasons why a sling  might not eat.

It hasn’t settled in. Although most tarantulas will eat soon after a rehousing, some take time to adjust to their new homes. If your sling is cowering in a corner with its legs pulled up over its body, it might be too stressed to eat. Give it time to burrow or web and you’ll likely have better luck.

It’s fasting. Many species, including Aphonopelmas, Brachypelmas, and Grammostolas will fast when their instinct or internal clocks tell them the cooler winter months have begun. When this happens, there is nothing you can do but make sure they have fresh water and try offering them something once a week or so to gauge their appetite.

It’s in premolt. When tarantulas have eaten enough to trigger the beginning of the molting process, most will stop eating. If they’ve been eating great only to suddenly show no interest in food, especially if their abdomens are plump, dark, and/or shiny, then a molt is likely imminent. Make sure that they have water and keep a corner of the substrate moist and wait for the molt. After the molt, be sure to give them several days to a week to harden up before offering food again.

They are intimidated by the size of the prey. Occasionally, small slings can be spooked by the live prey you drop in. When this happens, the tarantula can throw up its first two pairs of walking legs in a threat pose or even run and hide from the prey. If you suspect this is the issue, it’s best to try feeding it something smaller. Or, offer it pre-killed prey to see if it will eat.

They don’t like the particular prey item being offered. Although most tarantulas seem to eat crickets no problem, I’ve had some specimens that wouldn’t touch other prey items like roaches or mealworms. If your T isn’t eating what you’re offering, try switching up the type of feeder you give it.

The conditions aren’t right. If your spiderling is still not eating and you’ve ruled out the other possibilities, then it’s possible that the setup conditions aren’t right for it. You should ask yourself the following:

  • Is it too hot? Too cold?
  • Does it have a hide?
  • Is the setup correct?
  • Is it too moist or dry?

If you’re still not sure what the issue is, try asking a more seasoned keeper for a second opinion. Sometimes it just takes a second set of “eyes” to figure out a possible issue.

Maintenance for Slings

Because they are so small, maintenance for slings is usually quite simple. Here’s the simple routine I practice and recommend. For each feeding, do a quick spot check that includes the following:

Check for boluses — These are the little white, jagged, crusty remnants of the tarantula’s last meal; the compacted, desiccated remains of its prey. For slings, boluses can be quite tiny and difficult to spot. However, many specimens will stack all of their boluses in a particular corner or in their water dishes. When you can find them, use a pair of tongs or plastic spoon to remove them. They are relatively harmless in most cases, but if they get wet, they can be a source of mold and can attract gnats.

Two boluses - look for the little white and crusty balls left behind after a T eats.

Two boluses – look for the little whitish and crusty balls left behind after a T eats.

Clean and fill the water dish — Tarantulas are notorious for sullying their water dishes, so although filling them with clean water might be easy, keeping them clean is another story. Some use them as toilets and some seem to think that they are dumpsters. Others just appear to enjoy heaping mounds of substrate in an on top of them. When dropping in a feeder, make sure that the bowl is full and, if need be, pluck it out to clean or replace it.

Remove any molts (only if possible) — If your spider has molted recently, and you have easy access to the molt, you can carefully pluck it out. Be careful removing it, however, as they are often caught up and webbing and can pull a lot of substrate and webbing out with them. DO NOT try to pull it out if the freshly-molted spider is still sitting on it; this will disturb and possibly injure the animal. Also, if the molt is in a burrow or stuck in the webbing, as might be the case with an Avicularia species, leave it for the time being. Contrary to popular belief, there is no rush in getting the shed out. In fact, some fossorial species work the pieces of their molts into the walls of their dens. In these instances, you may never see a molt. Don’t worry; they pose no danger to the spider, and they will not rot or mold.

Premolt and Molting

In order to grow, tarantulas must periodically shed their old exoskeletons. Once the molting process is triggered, the tarantula will enter premolt. During this time, the spider may display the following signs:

1. The tarantula stops eating — This is probably the most obvious and common sign. You’ve been feeding your specimen regularly for several weeks, and suddenly it stops eating. Most species will stop feeding during their premolt period (although there are exceptions) as they prepare their bodies for the arduous process.

2. The tarantula has a fat shiny abdomen — Most tarantulas ready for premolt will sport nice, plump abdomens up to 1.5 times the size of their carapace (or even larger for an over-stuffed specimen). If your tarantula has a nice, bulbous booty, and she has stopped eating, chances are she’s in premolt. As the flesh around the area stretches, the abdomen may also appear to be shiny.

The shininess is often more evident in slings than their older, much hairier counterparts. My little G. pulchripes, G. rosea, and L. parahybana slings all get “shiny hineys” whenever they are entering premolt. My P. cancerides slings and juveniles look like little grapes ready to pop when they are in premolt.

G. rosea sling in premolt. Notice the large, shiny, and dark abdomen.

G. rosea sling in premolt. Notice the large, shiny, and dark abdomen.

3. The tarantula’s abdomen and overall color darken — As the new exoskeleton forms under the old one, the spider will often darken up a bit. This is particularly evident on the abdomen where new hairs can be seen through the stretched skin here. Many of my slings will have a dark spot on their abdomens when in premolt, and it will continue to grow the closer they get to the actual molt.

4. The tarantula becomes slower and more lethargic — Not all of the indicators are physical; an observant keeper should notice some behavioral changes as well. Besides not eating, most of my tarantulas that are in premolt become less active and often more secretive. Keep an eye on your tarantula, and along with the physical signs listed above, look for a change in behavior. Some of my most hyper species become noticeably sluggish when they are in premolt. For example, my GBBs tend to be fast little buggers who are constantly moving around their enclosures. However, when in premolt, they often become much more sedentary, sitting in one spot and often tucking themselves away behind their cork bark. Speaking of secretive…

5. The tarantulas has buried itself in its den — Many tarantulas will retreat to their burrows and close of the entrances when entering a premolt period. My LP slings, M. balfouri slings, and G. pulchripes slings all bury themselves before a molt. Some things to consider if your T buries itself due to premolt.

They are not in danger.

They will not suffocate.

They have not been buried alive.

They do not need to be rescued.

The tarantula is just looking for some privacy and security during this vulnerable period. The tarantula will reopen its den once is has molted and hardened up. DO NOT freak out and try to dig the poor creature out; you only run the risk of distressing the animal and possibly interrupting its molt.

For a more detailed explanation of molting and its signs, check out the article How Do I Know My Tarantula is In Premolt?

6. The tarantula has constructed a hammock-like web “mat” in its enclosure — This web is referred to as a “molt mat”, and it is where the tarantula will flip over on its back when it molts. You may catch your premolt T laying layer after layer of web in a small area, and some of the new world species will actually kick hairs on the web as a form of protection. If you see this behavior, it means that your tarantula is about to molt very soon, usually within a day. For arboreal species, they will sometime build elevated “hammocks” off the ground for their molt mats or seal themselves in their funnel webs. This behavior serves the same purpose.

When you think that your tarantula is in premolt, make sure it has a full water dish, moisten a corner (if the substrate isn’t damp already), and wait it out. If your spider is refusing food, wait a week before trying again, and don’t leave the food in overnight as a cricket can actually attack and kill a molting T.

If you ever find your spider on its back, DO NOT touch it. It is molting and needs to be left alone to finish the process in peace. Never poke, prod, spray or blow on it, and NEVER try to flip it over. Interrupting the process can injure or kill the tarantula.

Once the tarantulas completes the molt, it will need several days to harden back up. During this time, the fangs are still soft, so it will be unable to hunt and eat. Do not offer food for at least four days to a week to make sure that it is fully ready to eat.

How often do they molt?

It honestly depends on a lot of factors, including:

  • The species — Some species are much faster growers than others.
  • The size of the specimen — The larger tarantulas get, the more time you can expect between molts.
  • The feeding schedule — Spiders fed more often will likely molt more often.
  • Temperatures — Higher temps speed up the spider’s metabolism, leading to a faster growth rate.

For many slings, expect a molt every six weeks to two months or so. Again, this is just a very rough estimate; some may molt faster and some might molt much more slowly.

How long will it take my tiny sling to look like an adult?

This question comes up quite a bit as it requires a fair measure of patience to raise a tarantula from a spiderling to an adult. It is also an incredibly rewarding experience to raise one of these animals to maturity. However, for those who want a big hairy spider to show off, the wait can be difficult. Unfortunately, the only truthful answer to that question is, “It depends.”

First off, different species grow at different rates. I have a Brachypelma albopilosum sling that has grown approximately 1/2″ in almost two years time. On the other hand, I have a Theraphosa stirmi that went from a 1.5″ sling to a 7.5″ adult in roughly the same amount of time. Truth is, some species can mature in just over a year, and others can take several years to reach maturity.

There are so many other factors that can contribute to a tarantulas growth rate like the specimen’s genetics, the temperatures it’s kept at, and the feeding schedule. In reality, there are just so many variables, that it’s difficult to make generalizations. If you’re truly curious as to how long it will take for your particular specimen to mature, speak to some keepers who have raised the species and ask about their experience with it.

Finally, some behaviors you may observe

Finally, I offer a brief FAQ featuring some of the common questions new sling keepers have asked me about.

Why is my tarantula climbing the walls? Tarantulas can take some time to acclimate to their new surroundings, and many will take to exploring their new environments upon being rehoused. This can often lead to climbing or hiding up in the top corner of an enclosure. If the tarantula is terrestrial or fossorial, it should eventually come down. If it doesn’t, then there is a possibility that the substrate is too moist or, in some cases, too fluffy.

My sling is burrowing … is there something wrong with it? Easiest question to answer ever. NO. Seriously, this one gets asked all the time, as burrowing slings can really cause those new to the hobby serious anxiety. Burrowing is a very natural behavior for most species of slings as, in the wild, it behooves them to stay out of sight. Burrows can also protect them from inclement weather conditions. Many slings will spend several molts underground, only to eventually emerge after they’ve put on some size.

Tip: If your tarantula burrows, don’t dig it up or shove prey down the den opening; drop the prey on the surface and let the spider find it. You don’t have to worry about the tarantula not knowing the cricket is up there; they are adept at sensing the slightest vibrations from above. If they are hungry, they will come up and eat. If you’re still concerned that your T might have missed the meal, leave a pre-killed item at the mouth of the den. 

My sling has covered up/webbed up its burrow … is it okay? When a tarantula webs up or buries the opening of its burrow, it is not in any danger. In fact, that is your spider’s way of basically saying “do not disturb.” For many species, this means they are entering the premolt stage and want security and privacy for their molt. For some, like Aphonopelma species, it may mean that they are secreting themselves away for the cold winter months. This is natural behavior and unless it has been a very extended period of time (I’m talking a month or more here for slings), keepers should never dig them up.

Why is my tarantula hanging out over the water dish? Most likely because it’s too dry. When a tarantula camps out over its water dish, it’s a sign that it’s craving moisture. Whether it be because the animal is in premolt or the humidity is dangerously low your home, action is needed. Your best bet is to moisten down a portion of the substrate with water to give your T more moisture and humidity.

What are these strange white dots on the walls and/or in the water dish?  If they are hard and smear when wet, then congrats…you’ve just seen your first spider poop! This is a common question, as most of us probably didn’t give much thought to what tarantulas turds would look like. When they deposit them into a water dish, they can look like tiny little white stones, which can really be disconcerting to some folks.

My sling isn’t webbing … is there something wrong with it? Some species will blanket their enclosures with thick white webbing. Others will produce barely any. If you have what is considered a heavy-webbing species (P. murinus, GBB, A. versicolor, etc.) that isn’t webbing, it just might not be settled in yet. Some species take longer than others to get started, and it can take a spider several weeks or more to lay down the thick webbing that you see in photos. And, there’s always the oddball who may never web. It usually doesn’t meant that there is anything wrong with the animal.