he's about four years old and i got him from a guy who couldnt take care of him kept him at low temps and didn't feed him.i've had him for about a year now and he is reguarly fed and kept warm,but i just bought him a new 55gal tank and i've had problems with heating i have a ceramic heatting element on one side keeping the tank at 95% and on the other i have a large uth heater on 85%on this same side i have a upper level which is a wooden box set in side his tank so he could hide in the box or above the box,on the box is a half cut log normally kept at 75% which is now being kept warmer do to that he's been sitting up there.