Hi, Innsmouth is right on about puffers bein notorious fin nippers, especially of lionfish. And triggers are suppost to be the same with lions as well, but many people luck out. It's all about how much risk you wanna take, and how good of a return policy your lfs has. lol. Clown triggers seem to be the nastiest. Picaso triggers are a little nicer, but not much. I love triggers though, they have such amazing personalities. I just wouldn't get a fish that's gonna be to small for your puffer. They love to go after fish that possibly can fit into thier mouth, kinda like lions. Good luck, ~Ali