i have 6 red legged hermits, 2 turbo snails(man do these suckers eat),4 Nassarius Snails, 1 emerald crab,4 blue legged hermits, a bunch of bristtle worms that have come from the rock( not too many though) i have a cleaner shrimp and a peppy shrimp,( dont know how much cleaning they do though, but they sure know how to eat all the damn fish food), and a signal goby(2 spot goby) he sifts the sand pretty good. i would wait on him though.some people say they r hard to keep but mine is doing great.( knock on wood) and i think that is about it. i have a pic of him in the red house also...