Really? I've just not seen it then. But I also have about 10 scarlet crabs, 5 blue legs, 5 peppermint shrimp, 1 cleaner shrimp, 1 big unidentified hermit crab, (Bubba), 4 cerith snails, 5 Nass snails, and 13 Fla turbos. They must take care of the poop. That's a cleaner crew.....