Alex Mustard / Glasseye snapper (Heteropriacanthus cruentatus) head portrait with a cleaning Goby (Gobiosoma genie) East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Todd Mintz / Sharknose cleaner goby (Gobiosoma evelynae) pair sheltering in hard coral, Netherlands Island, Dutch Antillies, Caribbean

Pete Oxford / Yellownose goby (Elacatinus randalli) in Grooved brain coral (Diploria labyrinthiformis) Bonaire, Netherlands Antilles, Caribbean

Doug Perrine / Blue chromis damselfish (Chromis cyanea) being cleaned by Cleaner goby (Gobiosoma sp), Lighthouse Reef Atoll, Caribbean Sea, Belize.

Doug Perrine / Green moray eel {Gymnothorax funebris} + Cleaner goby {Gobiosoma oceanops} Belize

Jeff Rotman / Whitetip reef shark {Triaenodon obesus} being cleaned by Banded cleaner goby fish. Cocos Is, Pacific Costa Rica

Juergen Freund / Cleaner shrimp {Periclimenes sp} + Goby in tube sponge Cuba