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A mixture of Acropora species scleractinic hard corals, on a coral reef in Gaafu Dhaalu atoll, Maldives
A huge Echinogorgia species sea fan, more than two metres across, on a coral reef in Gaafu Dhaalu atoll, Maldives
Staghorn scleractinic hard corals (Acropora species), on a coral reef in Gaafu Dhaalu atoll, Maldives
Two-Spot Banded Snappers (Lutjanus biguttatus) on a coral reef in Gaafu Dhaalu atoll, Maldives
A growth of Acropora species, and one Goniastrea species (centre) scleractinic hard corals, on a coral reef in Gaafu Dhaalu atoll, Maldives
Mushroon Leather Coral (Sarcophyton species), a soft coral, growing on a coral reef in Gaafu Dhaalu atoll, Maldives
A mixture of scleractinic hard corals on a coral reef in Gaafu Dhaalu atoll, Maldives
A 'forest' of Staghorn (Acropora species) hard corals, on a coral reef in Gaafu Dhaalu atoll, Maldives
A mixture of scleractinic hard corals on a coral reef in Gaafu Dhaalu atoll, Maldives
A mixture of scleractinic hard corals on a coral reef in Gaafu Dhaalu atoll, Maldives
A 'forest' of Staghorn (Acropora species) hard corals, on a coral reef in Gaafu Dhaalu atoll, Maldives
A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, Maldives
Acropora species 'plate' corals, growing on a coral reef in Gaafu Dhaalu atoll, Maldives
A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, Maldives
A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, Maldives
Acropora species scleractinic hard corals, showing some bleaching, growing on a coral reef in Gaafu Dhaalu atoll, Maldives
A mix of hard corals, with a Pocillopora species coral in the centre, growing on a coral reef in Gaafu Dhaalu atoll, Maldives
A mix of Acropora species scleractinic hard corals growing on a coral reef in Gaafu Dhaalu atoll, Maldives
Heteractis species sea anemone guarded by Clownfish (Amphiprion species) on a coral reef in Gaafu Dhaalu atoll, Maldives
A shoal of small fish swimming over Acropora species hard corals, on a coral reef in Gaafu Dhaalu atoll, Maldives
A mix of Acropora species scleractinic hard corals growing on a coral reef in Gaafu Dhaalu atoll, Maldives
Diving and snorkling area, Punta Perdiz near Playa Giron, Bay of Pigs, Matanzas Province, Cuba, West Indies, Caribbean, Central America
Adult green sea turtles (Chelonia mydas agassizii) underwater off the west side of Isabela, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Guest from the Lindblad Expedition ship National Geographic Endeavour in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Galapagos sea lion (Zalophus wollebaeki) underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Goldentail moray eel (Gymnothorax miliaris), in coral reef, Curacao.
Chain moray eel (Echidna catenata), in coral reef, Curacao.
A hawksbill sea turtle (Eretmochelys imbricata) feeds on sponge and an angelfish follows for scraps in Cozumel, Mexico.
A colorful reef scene with sunburst at Cozumel, Mexico.
World champion free diver and his team in training shot from inside a sunken barge 90 feet below in Bimini, Bahamas.
Diver and boat above black coral bushes in French Cay, Turks and Caicos.
A diver approaches a beautiful gorgonian sea fan, Cayman Islands.
Hawksbill sea turtle and gray angelfish by coral reef, USS Kittiwake, Grand Cayman.
Hawksbill sea turtle eating, Castle Wall, Grand Cayman.
Colorful reef with fishes and sun burst in Komodo, Indonesia.
Soft coral in the reef at Komodo, Indonesia.
A Sheepshead looks on as a pair of Blue Angelfish appear to be confused on which direction to go but each are feeding on different parts of coral and algae covered jetty rocks at St. Andrew Bay channel wall in Panama City Beach, Florida.
Pink anemonefish (Amphiprion perideraion) guard their anemone on a coral reef in the South Pacific ocean near Tavarua Island off the coast of Veti Levu, Fiji.
Golden Damselfish (Amblyglyphidodon aureus) and other schooling fish swim around the coral head topped with Elkhorn Coral in the South Pacific ocean near Tavarua Island offshore from Liti Levu, Fiji.
A Blackside Hawkfish (Paracirrhites forsteri) swims over the red tentacles of a sea fan in the warm clear waters off the coast of Likuri Island, Fiji.
A Butterflyfish swims up along a coral reef in the warm and clear ocean waters of Papua New Guinea.
A Spotfin Lionfish flares it's dorsel spines and fins to display threat while laying on a colorful reef at night in the warm clear waters of Papua New Guinea. Lionfish float fearlessly around the reef as they are also one of the most venomous residents there.
A Blue Spotted Lagoon Fantail Ray (Taeniura lymma) peeking out from under a coral reef ledge, Papua New Guinea.
A large Southern Stingray (Dasyatis americana), lays motionless covered in sand but ready to fly away with wing tips slightly elevated above the sand, alongside a coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Spotted Moray Eel (Gymnothorax moringa) displays an open mouth as it protrudes it's head just outside a hole in a coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Spotfin Butterflyfish (Chaetodon ocellatus) feeding off the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Gray Angelfish (Pomacanthus arcuatus) swims by diamond and fire corals in the shallow waters of the Atlantic Ocean off the coast of Key Largo, Florida.
A Blue Parrotfish (Scarus coeruleus) swimming up after munching on the coral reef below in the Atlantic Ocean off the coast of Key Largo, Florida.
A Blue Chromis (Chromis cyanea) swims into the current to maintain station over a colorful reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A small Ambon chromis (Chromis amboinensis) swimming amongst coral in Beqa Lagoon, Fiji.
Plate coral (Acropora hyacinthus) Beqa Lagoon, Fiji.
Red tree coral on a Fijian reef.
Red tree coral (Dendronephthya) on a Fijian reef.
A large red gorgonian sea fan, Beqa Lagoon, Fiji.
Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.
Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.
Nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Dwarf Hawkfish, Papua New Guinea.
Beautiful nudibranch on coral, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Deep reef scene in Fiji with a beautiful gorgonian fan.
Hawksbill turtle glides over the pristine reefs in Fiji.
Divers descend onto a deep wreef with red sea whip corals, Fiji.
A school of orange basslets (Pseudanthias squamipinnis) on a healthy Fijian reef full of hard and soft corals, Fiji.
A beautiful Ribbon Eel displays its open mouth to the photographer,Fiji.
A beautiful Ribbon Eel displays its open mouth to the photographer,Fiji.
A beautiful blue ribbon eel displays its open mouth to the photographer, Fiji.
An underwater photographer swims past a large yellow gorgonian fan with a bed of red soft corals beneath it, Fiji.
Fijian dive guide feeds a school of Scissortail Sergeant Major fish, Fiji.
Red goby sitting motionless on whip coral, Fiji.
Teardrop Butterflyfish swim within a protective coral arch, Fiji.
Red goby sitting motionless on whip coral, Fiji.
Red goby sitting motionless on whip coral, Fiji.
A school of orange basslets (Pseudanthias squamipinnis) on a healthy coral reef, Fiji.
A school of orange basslets (Pseudanthias squamipinnis) on a healthy coral reef, Fiji.
Sharptaiil Eel searchs the reef for food, Bonaire, Caribbean Netherlands.
Scuba diver swims by some large sponges off the coast of Bonaire, Caribbean Netherlands.
Sunburst above a diver amongst the reefs in Fiji.
Swarms of small baitfish swim above a large sea anenome, Fiji.
Diver swims through the shallow reef towards shore, Bonaire, Caribbean Netherlands.
School of Brown Chromis near a large elephant ear sponge, Bonaire, Caribbean Netherlands.
Scuba diver and a common spiny lobster, Bonaire, Caribbean Netherlands.
Scuba diver swims by some large sponges off the coast of Bonaire, Caribbean Netherlands.
Sharknose Goby sits on some hard coral, Bonaire, Caribbean Netherlands.
A large group of purple tube sponge sits high on the reef, Bonaire, Caribbean Netherlands.The Hilma Hooker Shipwreck is visible in the background.
Scuba diver swimming underwater amongst sea sponges, Bonaire, Caribbean Netherlands.
Scuba diver swimming underwater amongst sea sponges, Bonaire, Caribbean Netherlands.
A pair of Sharknose Gobies, Bonaire, Caribbean Netherlands.
A Secretary Blenny looks out from its coral home, Bonaire, Caribbean Netherlands.
A Secretary Blenny looks out from its coral home, Bonaire, Caribbean Netherlands.
Close-up view of a Goldentail Moray Eel, Bonaire, Caribbean Netherlands.
Unknown gobie/ blenny found at 48 feet deep, Bonaire, Caribbean Netherlands.
Hawksbill sea turtle (Eretmochelys imbricata), a critically endangered species, feeding on soft coral, side view, South Ari Atoll, Maldives.
Diver looks on at sponges, coral and crinoids in a colorful Komodo seascape, taken at Cannibal Rock, Horseshoe Bay, Komodo National Park, Indonesia.
Diver looks on at sponges, pink soft corals and crinoids in a colorful Komodo seascape, Komodo National Park, Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Komodo National Park, Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Indonesia.
Pair of Chromodoris annae nudibranch with brilliant blue and yellow skirt, crawling over green and pink coral, Anilao, Batangas, Philippines.