I still don't know why my firefish goby is scared of the black ocellaris. I have seen the black ocellaris kind of go for the 2 clowns but he doesn't do anything. The 2 ocellaris clowns are the same size, the black is biggest, but they all hang out, but every once in a while the black will go for someone. (Wow what a run on sentence) Thanks everyone, I a considering a Coral Beauty Angel as my last fish