1116-49676 - A photographer under a massive school of millions of sardines, Moalboal, Cebu, Central Visayas, Philippines

1116-49719 - The Philippine butterflyfish (Chaetodon adiergastos) is also known as a Panda butterflyfish, Bali, Indonesia

1116-49718 - As you move east the western clown anemonefish (Amphiprion ocellaris), pictured here, is replaced with the eastern clown anemonefish (Amphiprion percula), Philippines

1116-49668 - A photographer lines up with a SLR in a housing with a macro lens to shoot at tiny crab perched on soft coral, Indonesia

1116-49538 - Close-up of a senior man swimming in a swimming pool

1116-49537 - Senior man in a swimming pool

1116-49717 - The Mantis shrimp (Odontodactylus scyllarus) is also known as a clown mantis shrimp and peacock mantis shrimp, Cebu, Philippines

1116-49720 - Hawaiian reef scene with soldierfish and goatfish, Hawaii, United States of America

1112-5796 - Gentoo penguins (Pygoscelis papua), swimming underwater at Port Lockroy, Antarctica, Polar Regions

1112-5785 - Underwater view of dense brash ice at Cuverville Island, Ererra Channel, Antarctica, Polar Regions

1112-5783 - Underwater view of dense brash ice at Cuverville Island, Ererra Channel, Antarctica, Polar Regions

1112-5677 - Young whale shark (Rhincodon typus), filter feeding near snorkeler at El Mogote, Baja California Sur, Mexico, North America

1112-5678 - Young whale shark (Rhincodon typus), being biopsied by researcher at El Mogote, Baja California Sur, Mexico, North America

1112-5674 - Young whale shark (Rhincodon typus), filter feeding near the surface at El Mogote, Baja California Sur, Mexico, North America

1112-5675 - Young whale shark (Rhincodon typus), filter feeding near the surface at El Mogote, Baja California Sur, Mexico, North America

1112-5676 - Young whale shark (Rhincodon typus), filter feeding near snorkeler at El Mogote, Baja California Sur, Mexico, North America

1112-5645 - California gray whale calf (Eschrichtius robustus), underwater, San Ignacio Lagoon, Baja California Sur, Mexico, North America

1202-463 - A mix of Acropora species hard corals, on a tropical coral reef, around Gaafu Dhaalu atoll, in the south of The Maldives, Indian Ocean, Asia

1202-466 - Small reef fish crowd around outcrops of Pocillopora species hard corals, a coral reef in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia

1202-465 - A mix of Acropora species hard corals, on a tropical coral reef, around Gaafu Dhaalu atoll, in the south of The Maldives, Indian Ocean, Asia

1202-470 - A gorgonian sea fan (possibly Echinogorgia species) octocoral on a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia

1202-462 - A shoal of Yellowback Fusiliers (Caesio teres) swim around Acropora species hard corals, Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia

1202-464 - A diver around a Stylophora species hard coral, on a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives. Indian Ocean, Asia

1202-467 - A shoal of Blue-striped Snappers (Lutjanus kasmira) swims across a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia

1202-468 - A shoal of Blue-striped Snappers (Lutjanus kasmira) swims across a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia

1202-469 - A Crown of Thorns starfish (Acanthaster planci), on a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia

1112-5576 - California sea lion (Zalophus californianus), with photographer at Los Islotes, Baja California Sur, Mexico, North America

1112-5577 - California sea lion (Zalophus californianus), with photographer at Los Islotes, Baja California Sur, Mexico, North America

1112-5584 - California sea lion (Zalophus californianus), underwater at Los Islotes, Baja California Sur, Mexico, North America, North America

1112-5585 - California sea lion (Zalophus californianus), with photographer at Los Islotes, Baja California Sur, Mexico, North America

1112-5579 - California sea lion (Zalophus californianus), with snorkeler at Los Islotes, Baja California Sur, Mexico, North America

1112-5586 - California sea lion (Zalophus californianus), playing with gorgonia, Los Islotes, Baja California Sur, Mexico, North America

1112-5583 - California sea lion (Zalophus californianus), underwater at Los Islotes, Baja California Sur, Mexico, North America

1112-5581 - California sea lion (Zalophus californianus), underwater at Los Islotes, Baja California Sur, Mexico, North America

1112-5580 - California sea lion (Zalophus californianus), underwater at Los Islotes, Baja California Sur, Mexico, North America

1112-5578 - California sea lion (Zalophus californianus), with snorkeler at Los Islotes, Baja California Sur, Mexico, North America

1112-5582 - California sea lion (Zalophus californianus), underwater at Los Islotes, Baja California Sur, Mexico, North America

1112-5540 - Adult bottlenose dolphins (Tursiops truncatus) bowriding underwater, Isla San Pedro Martir, Baja California, Mexico, North America

1112-5549 - California gray whale calf (Eschrichtius robustus), San Ignacio Lagoon, Baja California Sur, Mexico, North America

1112-5548 - California gray whale (Eschrichtius robustus), with whale watchers, San Ignacio Lagoon, Baja California Sur, Mexico, North America

1112-5547 - California gray whale calf (Eschrichtius robustus), with human hands, San Ignacio Lagoon, Baja California Sur, Mexico, North America

1112-5546 - California gray whale calf (Eschrichtius robustus) underwater, San Ignacio Lagoon, Baja California Sur, Mexico, North America

1112-5545 - California gray whale calf (Eschrichtius robustus) underwater, San Ignacio Lagoon, Baja California Sur, Mexico, North America

1112-5525 - Adult bottlenose dolphins (Tursiops truncatus) bowriding underwater, Isla San Pedro Martir, Baja California, Mexico, North America

1174-8871 - Underwater view of diver wearing wet suit and flippers, diving near rocks, United States of America

1174-8872 - Low angle underwater view of diver wearing wet suit and flippers, sunlight filtering through from above, United States of America

1174-8868 - High angle underwater view of diver wearing wet suit and flippers, air bubbles rising, United States of America

1174-8874 - Underwater view of diver wearing wetsuit, diving goggles and oxygen cylinder, air bubbles rising, United States of America

1174-8819 - A shot of a person on a paddleboard taken from underwater

1174-8866 - Underwater view of diver wearing wet suit and flippers, sunlight filtering through from above, United States of America

1174-8870 - High angle underwater view of diver wearing wet suit and flippers, sunlight filtering through from above, United States of America

1174-8863 - Underwater view of diver wearing wetsuit and flippers diving just below the water surface, United States of America

1174-8873 - Underwater view of diver wearing wetsuit, diving goggles and oxygen cylinder, air bubbles rising, United States of America

1174-8820 - A shot of a person on a paddleboard both underwater and above the surface

1174-8865 - Underwater view of diver wearing wet suit and flippers, sunlight filtering through from above, United States of America

1174-8869 - Underwater view of two divers wearing wetsuits, diving goggles and oxygen cylinders, United States of America

1174-8867 - Underwater view of diver wearing wet suit and flippers, sunlight filtering through from above, United States of America

149-5561 - A woman harvesting seaweed at one of the underwater farms, Paje, Zanzibar, Tanzania, East Africa, Africa

252-4287 - Close-up of a spiny lobster, Caribbean Sea, Central America

252-4258 - Sea anenome, Caribbean Sea, Central America

1245-1947 - Southern stingray (Hypanus americanus), Stingray City, Grand Cayman, Cayman Islands, Caribbean, Central America

1245-1945 - Southern stingray (Hypanus americanus), Stingray City, Grand Cayman, Cayman Islands, Caribbean, Central America

1245-1946 - Southern stingray (Hypanus americanus), Stingray City, Grand Cayman, Cayman Islands, Caribbean, Central America

1245-1948 - Southern stingray (Hypanus americanus), Stingray City, Grand Cayman, Cayman Islands, Caribbean, Central America

1174-7741 - A boy swimming underwater in a pool with goggles, St Simon's Island, Georgia, United States

1116-46975 - Crinoid Squat Lobster (Allogalathea Elegans), Moalboal, Cebu, Central Visayas, Philippines

1116-46972 - Large School Of Sardines, Moalboal, Cebu, Central Visayas, Philippines

1116-46836 - The larval stage of a tube anemone (Cerianthus sp), likely around 30 days old at this point, will settle on the bottom at approximately 100 days. Photographed at night one mile off the island of Yap, Yap, Federated States of Micronesia

1116-47215 - Snorkeling In Benguerra Island, The Second Largest Island In The Bazaruto Archipelago, Mozambique

1116-46974 - Close-Up Of A Six Banded Grouper (Epinephelus Awoara), Anda, Bohol, Central Visayas, Philippines

1116-46971 - Spotted Porcelain Crab (Porcellana Sayana) On Top Of Anenome, Moalboal, Cebu, Central Visayas, Philippines

1116-47216 - Snorkeling In Benguerra Island, The Second Largest Island In The Bazaruto Archipelago, Mozambique

1116-46976 - Clownfish (Amphiprioninae) In Anenome, Moalboal, Cebu, Central Visayas, Philippines

1116-46970 - An Orange Jellyfish (Cnidarian) In The Monterey Aquarium, Monterey, California, United States Of America

1116-46973 - View Inside Coral, Anda, Bohol, Central Visayas, Philippines

1116-46828 - A calf imitates its mother swimming upside down. The sperm whale (Physeter macrocephalus) is the largest of all the toothed cetaceans. Males can reach 60 feet in length. Photographed in the Indian Ocean off the coast of Sri Lanka, Sri Lanka

1116-46824 - A close look at the detail of Brain coral (Platygyra sinensis) during the day with the its polyps closed, Yap, Federated States of Micronesia

1116-46832 - Gymnosome pteropod (Hydromyles globulosa), a shell-less, planktonic mollusk sometimes called the sea butterfly, Bali, Indonesia

1116-46825 - Typical of this family the Blackside hawkfish (Paracirrhites forsteri) has thick spines in it's pectoral fins to aid staying in place on it's coral perch, Hawaii, United States of America

1116-46829 - Schooling Threadfin butterflyfish (Chaetodon auriga) in Rarotonga Lagoon, Cook Islands

1116-46826 - Day octopus (Octopus cyanea) in mid-water, Hawaii, United States of America

1116-46833 - Sunlight streaming through a forest of giant kelp (Macrocystis pyrifera), off Santa Barbara Island, California, United States of America

1116-46427 - A School Of Hawaiian Dascyllus (Dascyllus Albisella), A Hawaiian Endemic Fish, Over A Bleached Antler Coral (Pocillopora Eydouxi) Off The Kona Coast, Kona, Island Of Hawaii, Hawaii, United States Of America

1116-46542 - Banded Sea Urchin (Echinothrix Calamaris) On A Sandy Bottom Off The Kona Coast, Kona, Island Of Hawaii, Hawaii, United States Of America

1116-46540 - Mackerel Scad (Decapterus Macarellus) Schooled Off The Kona Coast, Kona, Island Of Hawaii, Hawaii, United States Of America

1116-46760 - An Underwater View Of Fish And Coral With Sunlight Shining Through The Surface Of The Water, Hawaii, United States Of America

1116-46283 - Underwater View Of A Sockeye Salmon (Oncorhynchus Nerka) Spawning Pair And A Challenger Male In Power Creek Near Cordova, Alaska In The Summer, Alaska, United States Of America

1116-46541 - A Coastal Manta Ray (Manta Alfredi) Swiming Though A Scuba Diver's Bubbles That Was Photographed While Scuba Diving The Kona Coast At Night, Kona, Island Of Hawaii, Hawaii, United States Of America

1116-46539 - Jellyfish (Pelagia Noctiluca) With Fish Prey Photographed During A Blackwater Scuba Dive Several Miles Offshore Of A Hawaiian Island At Night, Hawaii, United States Of America

1116-46284 - Underwater View Of Developing Sockeye Salmon (Oncorhynchus Nerka) Eggs In Power Creek Near Cordova And Prince William Sound, Alaska, United States Of America

860-288542 - Green Turtle (Chelonia mydas) and diver, Tenerife, Canary Islands, Spain, Atlantic Ocean

860-287863 - Free diver photographing California Sea Lion (Zalophus californianus) feeding on sardine's bait ball (Sardinops sagax), Magdalena Bay, West Coast of Baja California, Pacific Ocean, Mexico

860-288525 - Divers photographer, Olivier in full session of photography on one of the many white corals which is between the second and the third reef wall to 80 meters deep, Mayotte

860-288539 - Green Turtle (Chelonia mydas) and diver, Tenerife, Canary Islands, Spain, Atlantic Ocean

860-287898 - Free diver photographing Striped marlin (Tetrapturus audax) feeding on sardine's bait ball (Sardinops sagax), Magdalena Bay, West Coast of Baja California, Pacific Ocean, Mexico

860-287889 - Free diver photographing Striped marlin (Tetrapturus audax) feeding on sardine's bait ball (Sardinops sagax), Magdalena Bay, West Coast of Baja California, Pacific Ocean, Mexico

860-287893 - Free diver photographing Striped marlin (Tetrapturus audax) that he has just taken a sardine from a bait ball (Sardinops sagax), Magdalena Bay, West Coast of Baja California, Pacific Ocean, Mexico

860-287894 - Free diver photographing Striped marlin (Tetrapturus audax) that he has just taken a sardine from a bait ball (Sardinops sagax), Magdalena Bay, West Coast of Baja California, Pacific Ocean, Mexico

1116-45224 - A Couple Swimming Underwater In A Pool, Saint Georges Caye Resort, Belize City, Belize

1116-44970 - Underwater View Of A Sockeye Salmon, Alaska