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Turtle First Aid – Turtle Injuries or Bites

Turtle Injuries and Bites

Today we’re going to talk about turtle injuries and bites. You may think of turtles as slow, gentle creatures, but experienced keepers will tell you that nothing could be further from the truth! These animals are highly active and can hurt themselves quite easily if we aren’t careful.

In fact, injuries to the shell and other parts of a turtle’s body are common both in nature and captivity. Our job as keepers is to make these things as unlikely as possible. 

In ideal world, a pet turtle would never have to deal with an injury, but accidents can happen so it’s worth knowing what to do – and how to prevent them in the first place.

Turtle bites

Most turtle bites are caused by territorial behaviour, competing for food or simply frustration at having another turtle in their space. In young turtles, bites are pretty uncommon, but as they reach adulthood, they steadily get crankier with each other.

The below video is a good example of a tortoise being territorial and is chasing of a dog and even starts a match with another tortoise flipping it over in the end.

When it comes to territorial behaviour, this is most often expressed during the mating season and between competing males. Generally, it boils down to a bit of shoving, but it can also escalate to biting, sometimes to the point of causing injury.

Competing for food can also result in bites, though these do tend to be less severe. The same goes for competing for space. This doesn’t mean these bites aren’t a problem however, as the victim will be experiencing intense stress.

No matter what kind of bite it is, your first step when dealing with it should be to separate the animals! If the bite is bleeding, you then need to follow the steps in the first aid section of this article.

Preventing Turtle Bites

Asian Box Turtle with healed scrapes to its shell
Asian Box Turtle with healed scrapes to its shell

First, remember that aggression varies between species – it is incredibly important that you research the exact species of turtle you are keeping! After all, each species has different needs and temperament.

North American Box Turtles (Terrapene spp.), for example, tend to be much terrestrial than Asian Box Turtles (Cuora spp.). The males of these species also tend to be much meaner fighters – often biting at the face of their opponents. 

This is illustrative of the fact males are larger and more territorial in many terrestrial and semi-terrestrial turtle species. In some of these species where male combat occurs, a larger male may viciously bully a smaller one. That same male could also bully a non-receptive female, given that she would also be smaller.

As a rule of thumb, the more aquatic a species is, the smaller the males are, and the less likely bullying and biting will occur.

I recommend researching the mating habits of your pet turtle species. Do they engage in territorial combat? If so, housing them together could be a bad idea, period.

If you feel confident that your turtles are from a peaceful species (and have read research suggesting this) then providing adequate space is an effective way to prevent bites from frustration or food competition.

Turtle injuries

Common Snapping Turtle with broken shell from car accident
Common Snapping Turtle with broken shell from car accident

In the wild road accidents with vehicles are quite possibly the most common injury to freshwater turtles in many countries. In fact, if you grew up in the USA or south-eastern Canada it’s likely you’ve already witnessed this for yourself.

In captivity things are a little different, but injuries are unfortunately quite common. Generally, captive turtle injuries arise from unsafe enclosures, falls, dogs and heating equipment.

Enclosure injuries are often rubs or scratches to the shell, skin, or nose from trying to escape or climbing over rough ornaments. Water being too shallow is another cause – diving into rocks or gravel can easily cause a shell injury.

For their part, falls are quite common, but often follow an escape from an outdoor enclosure, or an elevated indoor one. 

Preventing Turtle injuries

First things first – if you make an enclosure for a pet turtle, make sure it’s safe. Sharp rocks can easily scrape and grind abrasions into a turtle’s shell, particularly if it hits them when diving into the water. 

Collisions with the bottom of the enclosure are usually only a problem if the water is too shallow. For an adult fully aquatic turtle, the water depth should be at least twice the length of the carapace (top of the shell). 

For semi-aquatic species or bottom walking species, give them a sloping entrance to the water part of the enclosure, not a ledge they can jump off.

As for the land or basking parts of the enclosure, make sure there is nothing rough or spikey the turtle could rub itself on. A Dremel tool is a great way to eliminate rough bits from ornaments. For logs and branches, sanding any spikey bits is easy and effective.

When it comes to falls, these usually occur following an escape. A turtle on the run (figuratively speaking) can get surprisingly far in a short amount of time. Often their little escapade ends when they fall down some stairs or off a wall. 

The result is of course a cracked or damaged shell. To prevent this, make sure the walls of their enclosure are at least twice the height of their carapace, even if you think this is overkill. Also, remember to place ornaments that they could climb away from the sides of the enclosure.

It’s very important that you don’t underestimate a turtle’s ability to climb. Believe it or not, there are reliable accounts of Wood Turtles (Glyptemys insculpta) figuring out how to climb 6ft chain-link fences.

To avoid burns from heating elements, always make sure they are out of reach from your pet. Use an infrared temperature gun to check how hot their basking spot is daily. Remember that excessive peeling of the scutes can be a sign a basking spot is too hot.

How to tell between a fresh injury and an old one? 

Torotoise with an old injury
Torotoise with an old injury

Depending on where you live, you may one day find an injured turtle crossing the road, or in your backyard. When this happens it’s important to quickly figure out whether the injury is a new one, or an earlier one that has already healed. 

If it’s new, take the turtle to a wildlife rescue, state/national park (with Ranger station), or your local vet. If it’s old, then release the turtle back to the wild. It may have been travelling to a nesting site or some other important activity. If it was crossing a road, put it safely on the other side, in the same direction it was crossing towards.

Let’s look at a few tips to tell between old and new injuries.

Signs of new injuries:

  • Blood
  • Visible cracks in shell with white or pink patches between them
  • Exposed white bone on the shell or head
  • Cuts or cracks with dirt stuck in them

Signs of old injuries:

Tortoise with amputated front limb
  • Missing chunks of shell, or holes in shell with smooth, clean edges that are a similar colour to the rest
  • Missing feet or toes, where the skin is smooth and dry, giving the end of the leg a rounded appearance

Turtle bite and injury first aid

If a vet isn’t available within 24 hours, or for minor injuries, you may have to do a little first aid yourself. Follow these steps:

  1. Remove the turtle from the water
  2. Clean the wound and apply povidone iodine or silver sulfadiazine to the affected area.
  3. Place the turtle in a box with some slightly damp paper towels. Keep it somewhere warm. If it is a pet turtle, keep it at about 5F (3C) warmer than the ambient temperature in its enclosure.
  4. Keep in the box until veterinary treatment is available (if you decide it is necessary) but return to water for a couple of hours a day for minor wounds. Do not return to water at all for major shell wounds.
  5. Don’t give up on an injured turtle! Remember that they are quite literally some of the toughest animals around.

Other possible injury’s

Is your turtle alive or unconscious? If they are unconscious, they may need oxygen. I wouldn’t recommend mouth to mouth, however a light puff of air in their face may help for oxygen.

Check out this article if your turtle is in water and not moving, you may be wondering if your turtle is drowning.

When to see a vet

If either a wild or captive turtle has a major shell wound or crack, consult a vet immediately and give as much detail over the phone as possible. In the meanwhile, consult the article: What can be done to fix a cracked shell? on this website.

If the turtle is bleeding, burnt or scraped you need to assess this and decide how bad it is. My advice is to always seek the help of a vet for any injury that is more than superficial. When you see a cut that is bleeding a lot, or an injury that appears to have gone through the shell, you must seek the help of a vet to guarantee a full recovery. 

For very minor scrapes and cuts, however, you can follow the steps 1 to 4 in the previous section for a few days, or until the cut appears to have scabbed over. 

Wrapping up

Injuries and bites are quite common in turtles. They are active, sometimes grouchy animals that can be determined escape artists. If we don’t pay attention, they can quickly come to harm.

Nonetheless, in captivity we should always strive to make accidents as unlikely as possible. Focusing on preventing escape, learning about their needs, and providing safe, secure enclosures helps with this.

Of course, when keeping animals, the occasional injury does happen no matter how hard you try to prevent it. What matters is how you deal with it.

Your first steps should always be to remove the turtle from water if it’s an aquatic species and clean the wound. From there, you can decide how serious it looks and whether to consult a vet.

Whatever the case may be, it’s time to do some investigating! Use the forum and the care sheets on this website to do some research and make sure it doesn’t happen again.

As always, comment or get in touch for more help!

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Wednesday 28th of October 2020

How do I care for my turtle, it was bitten by my other turtle on it both back feet. But the left one looks more bad.


Tuesday 15th of September 2020

My turtles back legs are not working only the front one... Plz tell how to cure it?


Tuesday 21st of July 2020

Hi I have two yellow bellied turtles they are both males but one of them keeps biting the other but now he has bit the other one the neck and has drew quick a bit of blood, im not sure what to do as I cannot get the stuff I need to clean the bite at this moment. Im quite worried if you have any answers please tell me asap. Thank you.


Monday 13th of July 2020

my turtles have been aggressive towards each other more lately and one of my bigger turtles got bit on his neck by his brother and im concerned. Its been a few days and he just hangs out on the dock and hasn't really been eating. They will be 8 this year and have lived together their whole lives. Please help!!


Saturday 28th of November 2020

@Shannon, i have the same issue but my turtles are fairly new to eachother only about 2 months but my original turtle is just recovering from a respiratory infection and he just started getting attacked by my mud turtle. i moved the mud turtle but my turtle seems to be in shock despite no injuries except for some scales hanging on his tale. idk if he hurt his head getting away from her or not but i’m very concerned for my turtle


Wednesday 25th of November 2020

@Melissa, how is your turtle doing now? The same thing is happening with my turtles (I’ve had them for about 13 years & they’ve occasionally snapped at each other but now one seems to be trying to cannibalize the other; the hurt turtle has two dark spots on the back of his legs like the top layer of skin was bitten off. He hasn’t been eating, either. It’s Thanksgiving weekend so I don’t know how soon a vet will see them. And yes, as soon as I saw the injuries I moved the offending turtle to a different enclosure.


Friday 8th of May 2020

Hey so today I was redoing the water in my turtle tank & the water happen to be to hot which I take full responsibility for and I toke him out when I seen him basically burning and I was really scared/ crying I thought he was dead but he’s absolutely alive I believe he was on conscious but he’s moving around but you can tell his legs are really really hurt he can walk but not really swim I don’t know if I should take him to the vet or not just really scared. Really need help?!