 Cleaner shrimp

Cleaner shrimp is a common name for a number of swimming decapod crustaceans, that clean other organisms of parasites.They belong to any of three families, Hippolytidae (including the Pacific cleaner shrimp, "Lysmata amboinensis"), Palaemonidae (including the spotted "Periclimenes magnificus") , and Stenopodidae (including the banded coral shrimp, "Stenopus hispidus") .