Curbing severe aggression in hatchling?

Hi all,

I've been working with ball pythons for about 7 years now. While I'm familiar with ball python behavior and care, this is my first time with a hatchling from a breeder (the rest have not been my own animals, or have been rescues; I've worked with hatchlings at a nature center briefly, but the clutch didn't make it) and I'm running into some issues. I bought my female pastel Mojave from a breeder unfed/unshed at a week old earlier this year, hatch date approx. May 31. She had yet to take a meal five weeks after she'd hatched, and with my previous experience working with a clutch that died before their first successful meal, I panicked. After trying live food, ASFs (both f/t and alive), scenting, and so on, I assist fed her (when I probably should have waited it out) and she was not happy about it. Before this, she was very docile and had no problem with being handled.

Now, it's been almost three months of her acting extremely aggressively because she's still so scared of me after the feeding. It's to the point where she strikes at me whenever I even pass by the glass to her terrarium and I have to put on bite-proof gloves to change her water, keep humidity up, and so on because otherwise she strikes - and keeps striking - even after I've left the room. I worry she'll injure herself in the process because she basically launches herself at me/the glass. I've tried a few different methods of getting her to calm down, like not handling her until she gets settled, handling her often and "cupping" her when she strikes, and the like, but I haven't had any success so far. Temps and humidity are right, she has a lot of hiding places, she's eating f/t weekly just fine, and she's currently in a 70 gallon Vision cage with solid sides. I've never had a problem with this kind of aggression, she doesn't even hiss or coil before striking; she's always tense and S-shaping, but no warnings apart from that. I'm curious to see if anyone else has had this problem or something similar happen, and if so, how they went about correcting this behavior. Specifically, I'm wondering about what I can be doing differently right now, if it's too late to fix my error, and what the time frame might be for getting her accustomed to handling again. Thanks in advance.

I would definitely try moving this baby down to a smaller tub. 70 gallons is a lot of space and doesn't offer nearly as much security as this baby may think it needs. Even with a multitude of hides, it may not be getting the right feel for comfort. We always think more space is great when really, she may just need a little cramped 6qt or 12 qt tub for a few weeks.
Honestly, this may be why she was giving you so much trouble feeding as well if that was her first setup.

Set her up in a little tub. Make sure the temps are good. The frosted look of the sides is usually enough to settle them down some, but you may still need to offer a little hide box or can tape some dark paper to the outside.
Give her some time to settle in. No handling at all. And then try with short little sessions after she's gotten 2 good meals in.

Baby steps from the beginning and hopefully she'll turn around for you. This is what helped for my feisty defensive babies

Wow sounds like a handful. A few things to think about.
When an animal acts defensively and then gets the wanted response from the predator it reinforces that behavior. For example you open your enclosure and attempt to reach in for whatever reason. Your snake thinks you're a predator so it hisses and strikes when you get close. You jump back and close the cage and leave it alone. In the snakes world that is about as good as that situation gets.

If the snake isn't eating, I would cover all sides of the cage to limit its stress. Especially if its striking when you walk by. Only bother it to clean and change water.
Work on getting it eating consistently.

If the snake is eating, I would still cover the enclosure just to reduce its general stress. but then I would start handling the snake. Eventually it will learn you are at most an unpleasant experience, but not a threat. I still have snakes that hiss and puff sometimes when I pick them up but put up with it.

Ending your handling sessions on a good note. Don't put them back if there not relaxed. If you pull it out and its striking, try putting him halfway on the floor. While still holding the back half, try to get him to start to slither away and keep moving your hands up underneath until it's just you holding him while he's moving. I usually don't handle for more than a few minutes at a time.

As mentioned above a smaller tub size might be a real help to make it feel more secure.

Good luck



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Have you tried hook training? Tapping most of my snakes with a hook usually calms them down right away.

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Originally Posted by Armiyana

I would definitely try moving this baby down to a smaller tub. 70 gallons is a lot of space and doesn't offer nearly as much security as this baby may think it needs. Even with a multitude of hides, it may not be getting the right feel for comfort. We always think more space is great when really, she may just need a little cramped 6qt or 12 qt tub for a few weeks.
Honestly, this may be why she was giving you so much trouble feeding as well if that was her first setup.

Set her up in a little tub. Make sure the temps are good. The frosted look of the sides is usually enough to settle them down some, but you may still need to offer a little hide box or can tape some dark paper to the outside.
Give her some time to settle in. No handling at all. And then try with short little sessions after she's gotten 2 good meals in.

Baby steps from the beginning and hopefully she'll turn around for you. This is what helped for my feisty defensive babies

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Thanks for your reply. I originally had her in a 20 long with the sides blacked out; she became aggressive while still in there, though the cage was very cluttered. I'll try moving her to a smaller enclosure with more hiding places for now, but I want to be clear: I am not comfortable with putting her in a tub/bin setup as meant for a rack. Without getting into it, I personally (having worked in rehabilitation and veterinary offices) do not consider rack setups to be ethical for any reptiles, particularly not ones that get 4-6 ft long... I'd strongly prefer to not have to move her around too much if at all possible. But that's beside the point. I appreciate your reply and I'll give a smaller enclosure and no handling a shot. She's been eating well every week since the assist feeding.

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Originally Posted by MattEvans

Wow sounds like a handful. A few things to think about.
When an animal acts defensively and then gets the wanted response from the predator it reinforces that behavior. For example you open your enclosure and attempt to reach in for whatever reason. Your snake thinks you're a predator so it hisses and strikes when you get close. You jump back and close the cage and leave it alone. In the snakes world that is about as good as that situation gets.

If the snake isn't eating, I would cover all sides of the cage to limit its stress. Especially if its striking when you walk by. Only bother it to clean and change water.
Work on getting it eating consistently.

If the snake is eating, I would still cover the enclosure just to reduce its general stress. but then I would start handling the snake. Eventually it will learn you are at most an unpleasant experience, but not a threat. I still have snakes that hiss and puff sometimes when I pick them up but put up with it.

Ending your handling sessions on a good note. Don't put them back if there not relaxed. If you pull it out and its striking, try putting him halfway on the floor. While still holding the back half, try to get him to start to slither away and keep moving your hands up underneath until it's just you holding him while he's moving. I usually don't handle for more than a few minutes at a time.

As mentioned above a smaller tub size might be a real help to make it feel more secure.

Good luck

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Thanks for your reply as well Matt. Like I said, I've been trying to curb this behavior by taking her out and "cupping" her when she strikes, I saw a video on how this can reduce aggression and get them to try to escape rather than attack. So far it hasn't really been working even after a good while of handling (EDIT: by "good while" I mean the months I've had her. I don't handle her for more than a few minutes at a time). She's in a front-opening Vision cage right now, so 3/4 of the sides and the top are covered. Should I be covering the front side as well? She has been eating regularly since the assist feeding, and in fact, quite well. I'll give your advice a shot and give an update in a few weeks.

Quote:

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Originally Posted by EL-Ziggy

Have you tried hook training? Tapping most of my snakes with a hook usually calms them down right away.

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I have a hook, but that's something I haven't tried. Do you just poke them with it and then pick them up?

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Originally Posted by Undersea

I have a hook, but that's something I haven't tried. Do you just poke them with it and then pick them up?

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Don’t poke him with the hook but gently tap or rub him with it. Eventually the hook let’s them know there’s no food coming and they’re either about to be handled or I’ll be doing some cage maintenance. I have some fairly large snakes, with very strong prey drives, and the hook works great for all but one of them. I also wouldn’t label most, if any snakes, as aggressive. They’re either scared/defensive or hungry when they bite. Hopefully your BP will settle down soon.

I would cover the front aswell.

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I worked Veterinary before as well. Personal preference and belief is fine. But sometimes you just have to go by what is right for the animal. Case in point.... my cat who is extremely allergic to humans. She's stuck with us regardless.

This is a species that typically likes to hole up in termite mounds in the wild. While most of mine would be fine with a good size vision cage as adults. I currently have one very defensive hatchling that did the same thing as yours in a 10 gallon that is now perfectly tame in a tub. Once she's a bit older, we're going to re-evaluate and see about moving her out. My eldest female is extremely defensive and will constantly strike at the glass, she cannot be in an enclosure with a glass wall for her own safety.

I'd love to be able to have that girl in a vision, lol. But then I'd have a lot of nose rub and stress related illness with her. lol

I think you did a great job of identifying what probably led to this. Hopefully the two of you can get past it with time and patience!

As suggested, I'd perhaps get her into a smaller tub setup - even just a 12-quart Iris or Sterilite tub might be a good idea. Be sure she has access to snug hides that touch her sides and back. It's possible that you could maintain her in her current enclosure if you block the sides and back and provide her with lots of clutter and hides.

I'd stop handling her altogether until she's clearly settled. While I agree with El-Ziggy that hook training is often a good place to start, I have to say that in a case like this where a baby snake is simply terrified, I'm not sure I would start with hook training. My personal preference with snakes like this is to use a strategy called choice-based handling that allows the snake to gradually adjust to your presence on their own terms. It takes time, but in my experience so far with multiple snakes of various species, the results are more than worth it.

I learned choice-based handling from an animal behaviorist and trainer who specializes in working with snakes - pythons in particular but other snakes as well. I'll link a video below she did on first steps in choice-based handling.

https://www.youtube.com/watch?v=4ljt...el=LoriTorrini

Many great suggestions so far, but I'll throw in my 2 cents anyway- you can think it over & try if you like.

You need to remember who the "aggressor" here is- that was you, lol. Your little snake is terrified & in her mind, is defending herself from some strange giant that has repeatedly (in the past) restrained her & forced her to eat. You're lucky she is now eating f/t for you, but now you want to "make friends"- so she needs to learn to trust you. You need to be patient. And only work on handling midway between her meals, giving her plenty of time to digest, & then plenty of time to de-stress so she doesn't refuse the next meal. It's most important she continues to eat.

Snakes feel MOST stressed when we approach them -it sets off their "PREDATOR!" alarm. :O While many will tell you to only handle briefly, I respectfully disagree, because the approach & pick up is the scariest moments, & if you only handle a snake for a few minutes, they never have time to learn to feel safe with you- they may associate you with the scariest moments. Or if you like, you might consider that you're rewarding the fear response by putting her back quickly. The second most "popular" time for a snake to bite you defensively is when you're putting them back- it has to do with them losing their secure hiding place (with you) and suddenly feeling exposed- so "tag, you're it". So always go slow- try to imagine how it feels to be in their place. Never forget that your touch communicates to a snake that you are either 'friend or foe'- it helps to think like a "friend" so your hands (touch) will follow. It may be that "girls just wanna have fun", but snakes just wanna feel safe. ;) They rely on these instincts to stay alive.

Years ago I took in an unwanted yearling boa (BCI). Forgive me for repeating this story, but it's relevant. I never wanted a larger boa, she wasn't on my wish list, & I already had a house FULL of snakes, but when my vet asked me, I felt sorry for the 30" snake with nowhere to go. She had changed homes repeatedly over the past year, & his snake-experienced vet tech was her most recent home but because of her relentless biting, he was the latest in a long line that year that couldn't wait to pass this scared snake along to anyone else, & as soon as possible. You can imagine the billing she got: :twisted: "Pure evil". :rolleyes:

Anyway, she lived up to her billing: non-stop coiling, hissing, & striking whenever I looked at her. I couldn't blame her. I put a small towel over her & enclosed her in it, & sat quietly with her on my lap for 30+ minutes or so at a time- she couldn't see me but she could focus on learning my scent & touch, & that nothing was hurting her- in time, she learned to feel safe in her towel. She was surrounded by me, but she didn't have to face me visually- to fear my size compared to hers- not for about 6 or 7 weeks, when I started letting her peek out. At first she coiled & started to panic, but then seemed to realize I was the scent & warm touch she already knew. I sat still & didn't provide any targets. (always keep your hands under a nervous snake- "be the ground") After about 2 months, she fully accepted my handling without her "security blanket"- of course, I still sat quietly with her, gradually allowing her to explore & gain confidence, but from that time on she made good progress, & became quite the cuddly pet, eventually even when she met other people. In all the years I had that snake, she never once bit me (or anyone else), because I took the time in those first 2 months (and not every day either) to teach her she had nothing more to fear. She was home & she was safe. Empathy works. :snake:

Go with the open handed matched when handling hand open palm forward. See if she is defended strikes just lunging and not doing anything. Quickly cover the head with ur hand and it will probably ball up. The enclosure is pretty big for a hatchling, if in big enclosures need lots of furniture for them to hide in so they feel secure. Only way your going to calm it down is keep working with it give it rest days in between handling. Once it’s on a work day make sure you build up to handling it slowly, must defensive balls will just curl up if you go open handed and cover head this will allow you to pick the snake up.

With it being this young and sold so young and small it’s never acclimated to humans :(


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