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

860-290787 - Rocky substrate, in the first few meters below the surface of the ocean. Volcanic underwater bottoms. La Gomera, Canary Islands.

1112-6688 - Humpback whale (Megaptera novaeangliae), mother and calf underwater on the Silver Bank, Dominican Republic, Greater Antilles, Caribbean, Central America

1112-6686 - Humpback whale (Megaptera novaeangliae), mother and calf underwater on the Silver Bank, Dominican Republic, Greater Antilles, Caribbean, Central America

1112-6687 - Humpback whale (Megaptera novaeangliae), mother and calf underwater on the Silver Bank, Dominican Republic, Greater Antilles, Caribbean, Central America

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

1178-38531 - Sunbeams on fish swimming in ocean

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

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

1116-51417 - 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

1116-51206 - 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

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

1116-51412 - 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

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

860-290092 - Person who provide contact with the divers inside the maina (sawed entry hole) to dive under the ice, Arctic circle Dive Center, White Sea, Karelia, northern Russia

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

860-290032 - Installation of an acoustic recorder for the study of the frequentation and impact of acoustic diving, in the Natural Marine Reserve of Cerbere-Banyuls, Pyrenees-Orientales, Occitania, France

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

860-290086 - Surface tender seen through the maina (sawed entry hole) to dive under the ice, 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).

1350-2523 - Reef cuttlefish, Sepia sp., displaying defensive posture, Dumaguete, Negros Island, Philippines.

1350-2320 - Piranha (Pygocentrus nattereri), a carnivorous fish, caught on a line, southern Pantanal, Mato Grosso do Sul, Brazil

1350-2451 - Over under image of marshallese boy smiling underwater next to coral reef and coconut trees lining the shore of Majikin Island, Namu atoll, Marshall Islands (N. Pacific).

1350-2448 - Coral reef, Namu atoll, Marshall Islands (N. Pacific).

1350-2569 - Great barracuda, Sphyraena barracuda, and divers, Molasses Reef, Key Largo, Florida, USA, Atlantic Ocean

1350-3509 - Shortfin lionfish, Dendrochirus brachypterus, Twilight Zone, Laha, Ambon harbour, Banda Sea, Moluccus, Indonesia, Pacific Ocean

1350-2463 - Regal angelfish, Pygoplites diacanthus, Namu atoll, Marshall Islands (N. Pacific).

1350-2499 - Balloonfish, Diodon holocanthus, at night, Dumaguete, Negros Island, Philippines.

1350-2473 - Red (Lace) coral, Distichopora violacea, feather stars, and juvenile gray reef shark, Carcharhinus amblyrhynchos, Ailuk atoll, Marshall Islands, Pacific

1350-2571 - Hawaiian reef lobster, endemic, Enoplometopus occidentalis, Portlock, Oahu, Hawaii (N. Pacific)

1350-2465 - Whitetip reef shark, Triaenodon obesus, Namu atoll, Marshall Islands (N. Pacific).

1350-2507 - Anemone shrimp, Periclimenes brevicarpalis, El Dorado reef, Dumaguete, Negros Island, Philippines.

1350-2496 - Over under of banca and sandy seafloor, Apo island Marine Reserve, Philippines.

1350-2537 - Common lionfish, Pterois volitans, close-up, Sabang wreck, Puerto Galera, Mindoro, Philippines.

1350-3507 - Local children swimming from small outrigger canoes using home made goggles, Alor Island, Nusa Tenggara, Indonesia, Pacific Ocean

1350-2559 - Decorator spider crab, Cyclocoeloma tuberculata, Dumaguete, Negros, Philippines.

1350-2551 - Polycerid nudibranch, Nembrotha cristata, external gill detail, Puerto Galera, Mindoro, Philippines..

1350-2491 - Ornamental crab, Schizophrys aspera, Palau, Micronesia.

1350-2570 - Scuba diver handles nurse shark, Ginglymostoma cirratum, Molasses Reef, Key Largo, Florida, USA, Atlantic Ocean

1350-2521 - False clown anemone fish, Amphiprion ocellaris, Dauin, Dumaguete, Negros, Philippines.

1350-2557 - Mushroom coral, Ctenactis sp., night, Dumaguete, Negros Island, Philippines.

1350-2517 - Shortnose boxfish, Rhynchostracion nasus, at night, Dumaguete, Negros Island, Philippines.

1350-2530 - Broadband cuttlefish, Sepia latimanus, in sandy bottom, Gato Island, Cebu, Philippines.

1350-2533 - Pair of mandarinfish, Synchiropus splendidus, mating, Malapascua ,Cebu, Philippines, Visayan Sea.

1350-2519 - Yellow boxfish, Ostracion cubicus, juvenile, Dumaguete, Negros Island, Philippines.

1350-2548 - Dorid nudibranch, Glossodoris averni, La Laguna, Puerto Galera, Mindoro, Philippines.

1350-2553 - Ornate ghost pipefish, Solenostomus paradoxus, Dumaguete, Negros Island, Philippines.

1350-2580 - Regal angelfish, Pygoplites diacanthus, Hideaway island, Port Vila, Vanuatu.

1350-2495 - Split image of lush vegetation and free diver observing lettuce coral, Turbinaria reniformis, next to cave entrance, Palau, Micronesia.

1350-2456 - Fan coral, Subergorgia sp., and diver silhouette against he sun, Namu atoll, Marshall Islands (N. Pacific).

1350-2575 - Pink anemonefish on sea anemone, Amphiprion periderion, Rongelap, Marshall Islands (N. Pacific).

1350-2556 - Ascidian, Didemnum molle, oscule detail, Dauin, Negros, Philippines.

1350-3506 - Ceratosoma tenue nudibranch, Beangabang Bay, Pantar Island, Nusa Tenggara, Indonesia, Pacific Ocean

1350-2436 - Thrill seekers experience cage diving with Galapagos sharks, Carcharhinus galapagensis, North shore, Oahu, Hawaii, USA

1350-2497 - Orange cup coral, Tubastrea faulkneri, Dumaguete, Negros Island, Philippines.

1350-2486 - Split image of Smallspotted dart, Trachinotus baillonii, swimming along the sandy shore at dusk, Rongelap, Marshall Islands, Micronesia

1350-2528 - Swimming crab, Charybdis acutifrons, Gato Island, Cebu, Philippines.

1350-2490 - Jellyfish, Mastigias sp., Palau, Micronesia.

1350-2574 - Beaked Whale stranded on coral reef during low tide, Mesoplodon sp., Mili, Marshall Islands (N. Pacific)..

1350-2454 - Saddled butterflyfish, Chaetodon ephippium, Namu atoll, Marshall Islands (N. Pacific).

1350-2452 - Orange-finned anemonefish, Amphiprion chrysopterus, and Merten's sea anemone, Stichodactyla mertensii, Namu atoll, Marshall Islands (N. Pacific).

1350-2458 - Over under image of coral reef, Acropora spp., and trees at Majikin Island, Namu atoll, Marshall Islands (N. Pacific).

1350-2484 - Horseshoe clam, Hippopus hippopus, Rongelap, Marshall Islands, Micronesia

1350-2476 - Bigfin reef squid, Sepioteuthis lessoniana, schooling, Rongelap, Marshall Islands, Micronesia

1350-2579 - Juvenile and adult pink anemonefish in sea anemone, Amphiprion perideraion, Fila Reef, Port Vila, Vanuatu (S. Pacific).

1350-2472 - Bluefin trevally, Caranx melampygus, Ailuk atoll, Marshall Islands, Pacific

1350-2447 - Aerial view of atoll near Majuro, Marshall Islands (N. Pacific).

1350-2578 - Feather stars, Oxycomanthus bennetti, Temple of Doom, Great Barrier Reef, Australia (S. Pacific).

1350-2466 - Pair of wire coral gobies, Bryaninops yongei, on wire coral, Cirripathes anguina,Ailuk atoll, Marshall Islands, Pacific

1350-2529 - Ascidian colony, Clavelina robusta, Gato Island, Cebu, Philippines.

1350-2583 - Bottlenose dolphin, Tursiops truncatus, Oahu, Hawaii (N. Pacific).

1350-2457 - Over under image of coral reef, Acropora spp., and trees at Majikin Island, Namu atoll, Marshall Islands (N. Pacific).

1350-2524 - Nudibranch, Chromodoris magnifica, Dumaguete, Negros Island, Philippines.

1350-2442 - Dried stingrays for sale at Jagalshi seafood market, Busan, South Korea.

1350-2480 - Blue-green chromis, Chromis viridis, Rongelap, Marshall Islands, Micronesia

1350-2527 - Map puffer, Arothron mappa, Skin texture detail, Dumaguete, Negros, Philippines, Visayan sea.

1350-2540 - Cushion star, Culcita novaguineae, skin texture, Small La Laguna, Puerto Galera, Mindoro, Philippines.

1350-2503 - Anemone hermit crab, Dardanus pedunculatus, Dumaguete, Negros Island, Philippines.

1350-2546 - Feather star, possibly Oxycomanthus bennetti, West Escarceo, Puerto Galera, Mindoro, Philippines.

1350-2552 - Celebes wrasse, Oxycheilinus celebicus, Dumaguete, Negros, Philippines.