looks healthy, when small some will take romaine and fruit but they need to be fed alot of BUGS. id swich the gravel to somthing like reptibark, humidity needs to be high. remenber to change the water IMMEDIATLY after he craps in it. also its good to dechlor his water, the chlorine isnt good for him. also a heat lamp for basking and a source of uva/b light. if you place some branches in his tank make sure they arnt too high, they have a habit of jumping and damaging/rubbing their snout and causing respatory infections.