I have a royal dottyback, and I must say, that they are little SHXTS!!!!!!!!!! I mean i like him and all, mainly cause he was my first fish, but he intimidated my lawnmower blennie everytime he tried to come out to eat my algae until the poor little guy starved to death. I now have a 4 inch cinnamon clown who's too big to take any of the dottyback's crap, so all is well, but If I am getting any more small fish or fish that aren't aggressive enough to not put up with the dotty back, then he is going bye bye!