1202-1169 - A drone view of a sandy tropical beach, with a lagoon fringed by a coral reef; Havodda Island, Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1168 - A bed of Sea Anemones and occasional hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1167 - Clownfish (Amphiprion species) guarding their sea anemone home; on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1166 - A Choriaster species starfish does a 'hand-stand', on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1165 - A Crown-of-Thorns starfish (Acanthaster planci) on a badly damaged section of a coral reef in Gaaful Dhaalu atoll, in the faer south of the Maldives, Indian Ocean.

1202-1164 - Goniopora species hard coral, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1163 - A shoal of tiny fish swimming over a coral reef in the Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1162 - A Ctenocella species octocoral sea fan, surrounded by an assortment of hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1161 - A mixture of Acropora species scleractinic hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1160 - A mixture of Acropora species scleractinic hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1159 - A huge Echinogorgia species sea fan, more than two metres across, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1158 - Staghorn scleractinic hard corals (Acropora species), on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1157 - Mushroon Leather Coral (Sarcophyton species), a soft coral, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1156 - A growth of Acropora species, and one Goniastrea species (centre) scleractinic hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1155 - Two-Spot Banded Snappers (Lutjanus biguttatus) on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1154 - A mixture of scleractinic hard corals on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1153 - A mixture of scleractinic hard corals on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1152 - A mixture of scleractinic hard corals on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1151 - A 'forest' of Staghorn (Acropora species) hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1150 - A 'forest' of Staghorn (Acropora species) hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1149 - Acropora species 'plate' corals, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1148 - A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1147 - A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1146 - A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1145 - A mix of hard corals, with a Pocillopora species coral in the centre, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1144 - Acropora species scleractinic hard corals, showing some bleaching, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1143 - Heteractis species sea anemone guarded by Clownfish (Amphiprion species) on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1142 - A mix of Acropora species scleractinic hard corals growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1141 - A shoal of small fish swimming over Acropora species hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1140 - A mix of Acropora species scleractinic hard corals growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

1202-1129 - Scuba diving on a healthy coral reef in the Gaafu Dhaalu atoll, in the Maldives, Indian Ocean.

1387-997 - Goldentail moray eel (Gymnothorax miliaris), in coral reef, Curacao.

1387-996 - Chain moray eel (Echidna catenata), in coral reef, Curacao.

1387-966 - A hawksbill sea turtle (Eretmochelys imbricata) feeds on sponge and an angelfish follows for scraps in Cozumel, Mexico.

1387-952 - A colorful reef scene with sunburst at Cozumel, Mexico.

1387-929 - World champion free diver and his team in training shot from inside a sunken barge 90 feet below in Bimini, Bahamas.

1387-926 - Diver and boat above black coral bushes in French Cay, Turks and Caicos.

1387-909 - A diver approaches a beautiful gorgonian sea fan, Cayman Islands.

1387-907 - Hawksbill sea turtle eating, Castle Wall, Grand Cayman.

1387-906 - Hawksbill sea turtle and gray angelfish by coral reef, USS Kittiwake, Grand Cayman.

1387-855 - Sea fan on the colorful reefs of Komodo, Indonesia.

1387-854 - Soft corals in the colorful reefs of the Banda Sea, Indonesia.

1387-852 - Colorful reef with fishes and sun burst in Komodo, Indonesia.

1387-850 - Soft coral in the reef at Komodo, Indonesia.

1387-849 - Free diver exploring the shallow reefs of the Banda Sea, Indonesia.

1387-847 - Soft coral in the reef at Komodo, Indonesia.

1387-845 - Soft coral in the reef at Komodo, Indonesia.

1387-1517 - 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.

1387-1506 - 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.

1387-1505 - 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.

1387-1502 - 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.

1387-1498 - 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.

1387-1497 - A Butterflyfish swims up along a coral reef in the warm and clear ocean waters of Papua New Guinea.

1387-1496 - A Blue Spotted Lagoon Fantail Ray (Taeniura lymma) peeking out from under a coral reef ledge, Papua New Guinea.

1387-1495 - Close-up of a bicolor damselfish (Stegastes partitus) as it swims up from the coral reef off the coast of Key Largo, Florida.

1387-1491 - 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.

1387-1490 - A Spotted Trunkfish (Lactophrys bilcaudalis) swims over an algae covered coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.

1387-1489 - 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.

1387-1488 - A Spotfin Butterflyfish (Chaetodon ocellatus) feeding off the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.

1387-1487 - A Porkfish (Anisotremus virginicus) swims by sea plumes out from under a coral reef ledge in the Atlantic Ocean off the coast of Key Largo, Florida.

1387-1486 - A French Angelfish (Pomacanthus paru) swims up close to a Blue Striped Grunt (Haemulon sciurus) under a coral reef ledge in the Atlantic Ocean off the coast of Key Largo, Florida.

1387-1485 - A Rainbow Parrotfish (Scarus guacamaia) pokes it's head out from a hole in the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.

1387-1483 - 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.

1387-1482 - 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.

1387-1481 - 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.

1387-1469 - A small Ambon chromis (Chromis amboinensis) swimming amongst coral in Beqa Lagoon, Fiji.

1387-1464 - Plate coral (Acropora hyacinthus) Beqa Lagoon, Fiji.

1387-1463 - Red tree coral on a Fijian reef.

1387-1453 - Freakled hawkfish (Paracirrhites forsteri) sits on some Acropora coral on a Fijian reef.

1387-1443 - Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.

1387-1437 - Red tree coral (Dendronephthya) on a Fijian reef.

1387-1434 - Schooling scalefin anthias fish (Pseudanthias squamipinnis) and beautiful soft corals of Beqa Lagoon, Fiji.

1387-1432 - A large red gorgonian sea fan, Beqa Lagoon, Fiji.

1387-1417 - Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.

1387-1416 - Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.

1387-1409 - Nudibranch feeding on algae, Papua New Guinea.

1387-1408 - Nudibranch feeding on algae, Papua New Guinea.

1387-1403 - A pair of nudibranch feeding on algae, Papua New Guinea.

1387-1400 - Nudibranch feeding on algae, Papua New Guinea.

1387-1399 - Porcelain Crab on its anemone, Papua New Guinea.

1387-1398 - Nudibranch feeding on algae, Papua New Guinea.

1387-1397 - Dwarf Hawkfish, Papua New Guinea.

1387-1391 - Beautiful nudibranch on coral, Papua New Guinea.

1387-1390 - Nudibranch feeding on algae, Papua New Guinea.

1387-1389 - Nudibranch feeding on algae, Papua New Guinea.

1387-1387 - Nudibranch feeding on a sponge, Papua New Guinea.

1387-1385 - Nudibranch feeding on algae, Papua New Guinea.

1387-1384 - Nudibranch feeding on algae, Papua New Guinea.

1387-1383 - Nudibranch feeding on algae, Papua New Guinea.

1387-1374 - Deep reef scene in Fiji with a beautiful gorgonian fan.

1387-1373 - Divers descend onto a deep wreef with red sea whip corals, Fiji.

1387-1372 - Hawksbill turtle glides over the pristine reefs in Fiji.

1387-1371 - A school of orange basslets (Pseudanthias squamipinnis) on a healthy Fijian reef full of hard and soft corals, Fiji.

1387-1370 - A beautiful Ribbon Eel displays its open mouth to the photographer,Fiji.

1387-1369 - A beautiful Ribbon Eel displays its open mouth to the photographer,Fiji.

1387-1368 - A beautiful blue ribbon eel displays its open mouth to the photographer, Fiji.

1387-1367 - Detailed view of soft coral revealing the spicules that give stability to its form, Fiji.

1387-1366 - An underwater photographer swims past a large yellow gorgonian fan with a bed of red soft corals beneath it, Fiji.

1387-1364 - Fijian dive guide feeds a school of Scissortail Sergeant Major fish, Fiji.

1387-1363 - Red goby sitting motionless on whip coral, Fiji.