The other day I’ve noticed one of my turtles (RES) being very aggressive. He was biting at one of my other turtle’s tail. He’s only a couple months old, I got both turtles about two months ago. I’ve kept them in a 10 g tank, with water temperature in the high 70s and I do have a water filter. I’m wondering why my RES is so aggressive at such a young age, when I feed him constantly. And is there anyway I can slow down his aggression and appetite?