I have an adult yellow tang, two yellow tailed blue damsels, two yellow damsels, one 4 striped black/white damsel, one psuedochromis. I haven't gotten the shrimp yet, I wanted to make sure he wouldn't get to be lunch before I got him. All the damsels are small, max 1.25 inches, I'm just afraid they will nip him to death. I also have a button polp, mushrooms, and green star polyp.