Yellow Goatfish, Mulloidichthys Martinicus, in the Red Sea, Hurgada, Egypt

Racoon butterflyfish (Chaetodon lunula) and doublebar goatfish (Parupeneus bifasciatus), Kailua-Kona, Hawaii, United States of America, Pacific

Doublebar goatfish (Parupeneus bifasciatus) white phase, and cleaner wrasse (Labroides dimidiatus), Kailua-Kona, Hawaii, United States of America, Pacific

Diver with yellow goatfish (Mulloidichthys martinicus), near coral reef with blue water behind, Cayman Islands, Caribbean

A colourful view of schooling Yellow Goatfish (Mulloidichthys martinicus), Lahaina, Maui, Hawaii, United States of America

Close-up of a blue goatfish (Parupeneus cyclostomus) showing the two barbels tucked under the chin, used to probe and detect prey; Maui, Hawaii, United States of America

Diver and schooling Yellowfin goatfish (Mulloidichthys vanicolensis), Yap, Micronesia

Hawaiian reef scene with soldierfish and goatfish, Hawaii, United States of America

Divers exploring the prop and rudder at the stern of The Carthaginian, a Lahaina landmark, that was sunk as an artificial reef off Lahaina, Maui, Hawaii in December 2005, Maui, Hawaii, United States of America

Diver and schooling Yellowfin Goatfish (Mulloidichthys vanicolensis). This species turns red at night and when they are in caves during the day, Kauai, Hawaii, United States of America

Hawaii, Yellowfin goatfish (Mulloidichthys vanicolensis) and an endemic Hawaiian cleaner wrasse (Labroides phthirophagus) taking a close look in it's mouth.