759-14655 - Scuba Diver over Coral Reef, New Ireland, Papua New Guinea

759-14654 - Scuba Diver over Coral Reef, New Ireland, Papua New Guinea

759-14653 - Scuba Diver over Coral Reef, New Ireland, Papua New Guinea

759-14652 - Scuba Diver over Coral Reef, New Ireland, Papua New Guinea

759-14671 - Scuba Diver doing safety stop, New Ireland, Papua New Guinea

759-13830 - Scuba Diver in Coral Reef, Tufi, Solomon Sea, Papua New Guinea

759-12214 - Anchor on Bow of Scuba diving Liveaboard SS Adelaar, Komodo National Park, Indonesia

759-12213 - Captain of Scuba diving Liveaboard SS Adelaar, Komodo National Park, Indonesia

759-12211 - Scuba diving Liveaboard SS Adelaar near Komodo, Komodo National Park, Indonesia

759-12212 - Crew setting Sail on Scuba diving Liveaboard SS Adelaar, Komodo National Park, Indonesia

759-12210 - Scuba diving Liveaboard SS Adelaar near Komodo, Komodo National Park, Indonesia

759-12209 - Scuba diving Liveaboard SS Adelaar near Komodo, Komodo National Park, Indonesia

759-12068 - Scuba Diving in Mbuco Caves, Marovo Lagoon, Solomon Islands

759-12066 - Scuba Diving in Mbuco Caves, Marovo Lagoon, Solomon Islands

759-12063 - Scuba Diver over Coral Reef, Marovo Lagoon, Solomon Islands

759-12069 - Scuba Diving in Mbuco Caves, Marovo Lagoon, Solomon Islands

759-12067 - Scuba Diving in Mbuco Caves, Marovo Lagoon, Solomon Islands

759-11914 - Scuba Diver over Coral Reef, Osprey Reef, Coral Sea, Australia

759-11532 - Scuba Diver over Coral Reef, Kai Islands, Moluccas, Indonesia

759-11531 - Scuba Diver over Coral Reef, Kai Islands, Moluccas, Indonesia

759-11521 - Scuba Diver over Coral Reef, Kai Islands, Moluccas, Indonesia

759-10066 - Diver watching Puffer at Maldive Victory Wreck, Arothron mappa, North Male Atoll, Maldives

759-10064 - Diver inside Bridge of Maldive Victory Wreck, North Male Atoll, Maldives

759-10065 - Diver watching Puffer at Maldive Victory Wreck, Arothron mappa, North Male Atoll, Maldives

759-10061 - Scuba Diving inside Maldive Victory Wreck, North Male Atoll, Maldives

759-10062 - Scuba Diving inside Maldive Victory Wreck, North Male Atoll, Maldives

759-10059 - Scuba Diving inside Maldive Victory Wreck, North Male Atoll, Maldives

759-10058 - Scuba Diving inside Maldive Victory Wreck, North Male Atoll, Maldives

759-10057 - Scuba Diving inside Maldive Victory Wreck, North Male Atoll, Maldives

759-10056 - Scuba Diving inside Maldive Victory Wreck, North Male Atoll, Maldives

759-11372 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11371 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11368 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11367 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11366 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11364 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11365 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11363 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11362 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11361 - Scuba Diver and colored Coral Reef, Triton Bay, West Papua, Indonesia

759-11360 - Scuba Diver and Red Whip Coral, Ellisella ceratophyta, Triton Bay, West Papua, Indonesia

759-11359 - Scuba Diver and Soft corals, Umbellulifera sp., Triton Bay, West Papua, Indonesia

759-10972 - Scuba diver and Manta, Manta birostris, Socorro, Revillagigedo Islands, Mexico

759-10970 - Scuba diver and Manta, Manta birostris, Roca Partida, Revillagigedo Islands, Mexico

759-10969 - Scuba diver and Manta, Manta birostris, Roca Partida, Revillagigedo Islands, Mexico

759-10339 - Scuba Diver inside Cave, Zabargad, Red Sea, Egypt

759-10338 - Scuba Diver inside Cave, Zabargad, Red Sea, Egypt

759-10105 - Scuba Diver and Anax Sea Cucumber, Thelenota anax, North Male Atoll, Maldives

1179-6124 - Mother and son with scuba masks showing red starfish underwater, Zanzibar, Tanzania, East Africa, Africa

1179-6122 - Man and woman with scuba masks showing starfish swimming underwater in the exotic lagoon, Zanzibar, Tanzania, East Africa, Africa

1350-6611 - Underwater close up view of open coral polyp during a dive, Cancun, Quintana Roo, Mexico

860-291056 - Scuba divers diving around the underwater part of a iceberg, Antarctic Peninsula, Antarctica

1178-43236 - Caucasian surfer with wet hair at beach

1178-43243 - Caucasian man holding surfboard at beach

1178-43237 - Caucasian man holding surfboard at beach

1178-43235 - Caucasian man carrying surfboard at beach

832-395095 - Man explaining that pressure gauge shows how much air is in the tank during scuba diving, Spain, Europe

832-395094 - Woman wearing scuba diving weights before going underwater, Spain, Europe

832-395097 - Three scuba divers with all equipment heading to the sea, Andalusia, Spain, Europe

832-395098 - Happy woman getting ready to scuba diving in Mediterranean Sea, Andalusia, Spain, Europe

1178-38529 - Caucasian woman paddling on surfboard in ocean

1178-38531 - Sunbeams on fish swimming in ocean

1178-38528 - Smiling Caucasian woman paddling on surfboard in ocean

1116-51413 - Green Moray Eel (Gymnothorax funebris), viewed while scuba diving in Silk Caye, Placencia Peninsula; Belize

1116-51201 - 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

1116-51208 - Portrait of a male Yellowtail Coris (Coris gaimard) taken while scuba diving the Kona coast; Big Island of Hawaii, Hawaii, United States of America

1116-51415 - Nurse sharks (Ginglymostoma cirratum), viewed while scuba diving at Silk Caye, Placencia Peninsula; Belize

1116-51892 - Hawaiian Green sea turtle (Chelonia mydas) swimming over the coral on the sea floor; Maui, Hawaii, United States of America

1116-51210 - Pearly Soldierfish (Myripristis kuntee) schooling near a reef just offshore of Maui; Hawaii, United States of America

1116-51884 - 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

1116-51891 - Hawaiian Green sea turtle (Chelonia mydas) swimming close to the surface with sunburst; Maui, Hawaii, United States of America

1116-51417 - Nurse sharks (Ginglymostoma cirratum), viewed while scuba diving at Silk Caye, Placencia Peninsula; Belize

1116-51414 - Nurse shark (Ginglymostoma cirratum), viewed while scuba diving at Silk Caye, Placencia Peninsula; Belize

1116-51207 - Underwater portrait of a pair of Eyestripe Surgeonfish (Acanthurus dussumieri) off the Kona coast, the Big Island, Hawaii. The nearest individual is a male; Island of Hawaii, Hawaii, United States of America

1116-51206 - 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

1116-51885 - Close-up of the orange colored plumes of a Christmas tree worm (Spirobranchus giganteus) attached to coral; Maui, Hawaii, United States of America

1116-51890 - Close-up detail of a crown of thorns starfish (Acanthaster planci); Maui, Hawaii, United States of America

1116-51209 - This Yellowtail Coris (Coris gaimard) male turned towards me while scuba diving at Maui; Molokini Crater, Maui, Hawaii, United States of America

1116-51203 - Live Black-Lipped Pearl Oyster (Pinctada margaritifera) living on Haloha Reef off Maui; Maui, Hawaii, United States of America

1116-51213 - 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

1116-51212 - A Red Slate Pencil Urchin (Heterocentrotus mamillatus) rests on Molokini Backwall which is located offshore of Maui; Hawaii, United States of America

1116-51412 - Nurse shark (Ginglymostoma cirratum), viewed while scuba diving at Queens Caye, Placencia Peninsula; Belize

1116-51215 - Scuba divers swim through Pennant Butterflyfish (Heniochus diphreutes) feeding on zooplankton off the backwall of Molokini Crater near Maui Island; Molokini Crater, Maui, Hawaii, United States of America

1116-51202 - Lateral view of a Cushion Star (Culcita novaeguineae) resting on a reef off Maui; Maui, Hawaii, United States of America

1116-51416 - Nurse shark (Ginglymostoma cirratum), viewed while scuba diving at Silk Caye, Placencia Peninsula; Belize

860-290091 - Scuba diver under ice and ice formation, Arctic circle Dive Center, White Sea, Karelia, northern Russia

860-290090 - Scuba diver under ice walking upside down, exercise to practice orientation, Arctic circle Dive Center, White Sea, Karelia, northern Russia

860-290088 - Scuba diver under ice in a halocline cloud, a subtype of chemocline caused by a strong, vertical salinity gradient within a body of water. Arctic circle Dive Center, White Sea, Karelia, northern Russia

860-290089 - Scuba diver under ice walking upside down, exercise to practice orientation, Arctic circle Dive Center, White Sea, Karelia, northern Russia

860-290087 - Scuba diver exit the maina (sawed entry hole) to dive under the ice, Arctic circle Dive Center, White Sea, Karelia, northern Russia

860-290085 - Scuba diver under ice and ice formation, Arctic circle Dive Center, White Sea, Karelia, northern Russia

1350-2560 - Pink anemone fish, Amphiprion periderion, on magnificent sea anemone, Heteractis magnifica, Dumaguete, Negros, Philippines.

1350-2572 - Scalloped hammerhead shark, Sphyrna lewini, Kaneohe Bay, Oahu, Hawaii (N. Pacific).

1350-2481 - Giant clam, Tridacna gigas, siphon detail, Rongelap, Marshall Islands, Micronesia

1350-2455 - Fluted giant clam, Tridacna squamosa, siphon detail, Namu atoll, Marshall Islands (Pacific).

1350-2462 - Wire coral goby, Bryaninops yongei, on wire coral, Cirripathes anguina, Namu atoll, Marshall Islands (N. Pacific).

1350-2478 - Large group of pink whipray or Tahitian stingray, Himantura fai, Rongelap, Marshall Islands, Micronesia

1350-2525 - Blackspotted puffer fish, Arothron nigropunctatus, Dumaguete, Negros, Philippines, Visayan sea.

1350-2344 - French angelfish, Pomacanthus paru, Ilha rata, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil (S. Atlantic)

1350-2464 - Whitetip reef shark, Triaenodon obesus, resting in cave, Namu atoll, Marshall Islands (N. Pacific).