I take it your keeping him indoors right? If so, whats your setup like? Most likely the temps are to low so yes hes trying to hibernate. Keep the water temp about 72-76F. Make sure he has a basking area with the temp anywhere from 85-95F.
-Chris
-----
Currently in the US Navy so I have sold off my collection. But over the years I have had dozens of turtles, fish, geckos, and other lizards. Cant wait to get back in the hobby once im out though!


