:happyfish What he said is not always true. I had to trade in a porcupine puffer that bit the tail off my full size maroon clown. They can be tail nippers. I heard the striped puffer is the least likleyest to do the nipping. Also, he may go after your damsels if big enough, other than the damsels, I think they are compatable, I just thought I would let you know about the nipping thing, they sometimes do. Good luck, alison