A very interesting symbiosis between a fish and a crustacean: the shortsighted shrimp maintains a burrow in the sand where both animals live. When the shrimp feels the goby suddenly swim into the burrow, it will follow. The goby and shrimp keep in contact with each other, the shrimp using its antennae, and the goby flicking the shrimp with its tail when alarmed. Filmed in the Red Sea in November 2009.
