Georgette Douwma / White banded/ Scarlet cleaner shrimp (Lysmata amboinensis) on Coral hind (Cephalopholis miniata) Rinca, Komodo National Park, Indonesia, October

Juergen Freund / Banded coral (Cleaning) shrimp on coral, Caribbean Sea off Cuba.

David Hall / Banded tozeuma shrimp (Tozeuma armatum) on Black coral (Antipatharia). Komodo, Indonesia.

Pascal Kobeh / Reef stonefish (Synanceia verrucosa) camouflaged in reef with Banded coral shrimp (Stenopus hispidus). Flores Sea, Indonesia.

Magnus Lundgren / Wild Wonders of China / Larval banded coral shrimp (Stenopus hispidus) at night, Kenting National Park, Hengchun Peninsula, Taiwan

Linda Pitkin / Banded tozeuma shrimp (Tozeuma armatum) on Black Coral (Antipathes sp.), Triton Bay, near Kaimana, West Papua, Indonesia

Linda Pitkin / Banded tozeuma shrimp (Tozeuma armatum) on Black Coral (Antipathes sp.), Triton Bay, near Kaimana, West Papua, Indonesia

David Fleetham / Yellowmargin moray eel (Gymnothorax flavimarginatus) with a Banded coral shrimp (Stenopus hispidus) inspecting it for parasites, Hawaii.

David Fleetham / Banded coral shrimp (Stenopus hispidus) checking Yellow edged moray eel (Gymnothorax flavimarginatus) for parasites, Hawaii.

David Fleetham / Undulated moray eel (Gymnothorax undulatus) with banded coral shrimp (Stenopus hispidus) inspecting its teeth, Hawaii.

David Fleetham / Banded coral shrimp (Stenopus hispidus) eye to eye with a spearing Mantis shrimp (Lysiosquillina sp). Komodo, Indonesia.

David Fleetham / Banded boxer / coral shrimp (Stenopus hispidus) on the nose of a giant moray eel (Gymnothorax javanicus), checking for parasites. Yap, Micronesia.