I've have 4 1.5 inch RES in a 55 gallon tank and they all seem to be getting along great. However I have noticed that there is some damage on the back legs of 2 of my turtles.
Claws and webbing are missing but it doesn't look like there are any severe bite marks. I never see them fighting or biting one another, even during feeding.
Has anyone ever seen anything like this? Could it be isolated cases or is there a certain trigger that makes the turtles aggressive? Is it even the turtles doing the damage? I appreciate any suggestions....


