[Pier Pressure]

Damsels and clowns come from the same family of fishes and I have heard that they may have some issues getting along.

I actually have a damsel who is trying to breed with my pair of clowns in a 28 gallon reef set up!

If you do decide to return him, and want to get another clown, I have read on this forum and others that the trick is to get another clown that is much smaller than the one you already have. I am sure you will get further advice from more knowledgeable members.