ok right now i have a 300 Gallon tanke with a 3 inch blueline by himself, now im thinking into the long run here, yes i know i might need to upgrade, anyways is there any other fish out there that can be tank mates with it??? besides other triggers, what kind of groupers can be kept with a 22 inch blueline trigger??? what grupers actually fight back ???? i know some are said to be aggresive but realy are not, just eat anything taht fits in there mouth?, so is there any other aggresive fish out there that can hold there on against a blueline bsides another trigger, ???? anyone???? anyways thx............ and sry about the spelling im in a hurry to type.........