can any one tell me about jack dempseys .i got a male about 8 munths a go he is about five inces .and have read a lot of things about them . but wen any one walks in to the room were the aquarium is he just hides or wen i put food in he wont come out till i am gone is this normal i have heard of this fish eating from your hand it is pointless haveing a jack dempsey if you cant see one.if any one has the same problem or is it just my one thanks 