Underwater Dentist: Diver Lets Cleaner Shrimp Clean Teeth

Close up of a cleaner shrimp

A new video shows a scuba diver benefiting from the attention of a cleaner shrimp. The man removes his mouthpiece and lets the little arthropodic dentist climb into his mouth and poke around. This kind of commensalism is common in nature, and there are several aquatic species that play dentist and groomer to other fish […]