A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific

Green sea turtle (Chelonia mydas), surfacing for air near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Living coral reef, Oceanopolis, Brest, Britanny, France, EU

Living coral reef, Oceanopolis, Brest, Britanny, France, EU (rr)

Sculpture of a Grey Reef Shark outside the Deep in Hull, Humberside, England, United Kingdom, Europe

French angelfish, Pomacanthus paru, Ilha rata, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil (S. Atlantic)

Coral reef during low tide in lagoon, Mili, Marshall Islands (N. Pacific).

Diver with Green Sea Turtle, Reef HQ Aquarium, Townsville, Queensland, Australia

A Pearly Soldierfish (Myripristis kuntee) that was photographed under water while scuba diving at Molokini Crater which is located offshore of Maui; Molokini Crater, Maui, Hawaii, United States of America

This female Bullethead Parrotfish (Chlorurus spilurus) turned to reveal its fused teeth which are used to scrape algae from coral heads. It was photographed while scuba diving the Kona coast, the Big Island, Hawaii; Island of Hawaii, Hawaii, United States of America

Saber Squirrelfish (Sargocentrum spiniferum) at the backwall of Molokini Crater; Molokini Crater, Maui, Hawaii, United States of America

Male Bluegill Triggerfish (Xanthichthys auromarginatus) with an erect spinous dorsal fin photographed under water off Maui, Hawaii, USA. He was circling above his prepared spawning area suggesting that this is a courtship display; Maui, Hawaii, United States of America

Lateral view of a Cushion Star (Culcita novaeguineae) resting on a reef off Maui; Maui, Hawaii, United States of America