mine beats up my oscar i feed it white bait and prawns it's about 6" i've never had more than one in a tank tho they take a little bit of time to come out of their shell but their just like a big goby allways hungry
this thread belongs in the other monster fish, not the north american native and coldwater fish I do like these fish tho maybe some dayin the far future i can get a jar. and aussie bass combo tank set up =)