yea i know that they get pretty big. we have caught them fishing.. but hes in a 55 gallon right now... i have all kinds of things in the tank that he can eat like baby crabs and shrimp but i havent seen him touch any of those..hes chased them around a bit but didnt eat them :? i only seen him eat the frozen brine shrimp i put in last night... but thanks 4 the info