3 chromis, 1 clown,1 starfish,2 urchins ,one of which resently lost all of its spines...1 hawk fish, 3 snails,3 blue legged crabs.rock is all ready out( no goin back now)Im running a canister filter,2 korla powerheads,and a crappy protien skimmer that i cant get to do any good any more...its a hob