860-292372 - Green sea turtle (Chelonia mydas) on the reef, Maldives, Indian Ocean

860-292369 - Green sea turtle (Chelonia mydas) on the reef, Maldives, Indian Ocean

860-292302 - Indian Ocean bottlenose dolphin (Tursiops aduncus) in Mayotte lagoon.

860-292300 - Indian Ocean bottlenose dolphin (Tursiops aduncus) in Mayotte lagoon.

860-292301 - Indian Ocean bottlenose dolphin (Tursiops aduncus) in Mayotte lagoon.

860-292279 - Two Grey Reef Sharks (Carcharhinus amblyrhynchos) swimming above the bottom, Tahiti, French Polynesia

860-292128 - Low-angle view of a wall of Silver-tip Sharks (Carcharhinus albimarginatus), Rangiroa, Tuamotu, French Polynesia

860-292126 - Common moray (Muraena helena) in a wreck structure, Saint Raphaël, Var, France

860-292125 - Silvertip shark (Carcharhinus albimarginatus) above the reef, Rangiroa, Tuamotu, French Polynesia

860-292105 - Humpback whale (Megaptera novaeangliae) and Indo-Pacific bottlenose dolphin (Tursiops aduncus). Group of active whales followed by a school of dolphins in the clear waters of Reunion Island.

860-292102 - Green turtle (Chelonia mydas) at blue hour on N'gouja beach, Mayotte

860-291970 - Loggerhead sea turtle (Caretta caretta) and jellyfishes in floating wastes, Procida Island, Tyrrhenian Sea, Mediterranean Sea

860-291968 - Four-colour nudibranch (Godiva quadricolor), Laguna Torrefumo, Gulf of Naples, Tyrrhenian Sea, Mediterranean Sea

860-291967 - Four-colour nudibranch (Godiva quadricolor) on a plastic bottle in Laguna Torrefumo, Mediterranean sea, Italy

860-291965 - Indian Ocean bottlenose dolphin (Tursiops aduncus) group swimming in the blue waters of the Mayotte lagoon.

860-291966 - Indian Ocean bottlenose dolphin (Tursiops aduncus) group swimming in the blue waters of the Mayotte lagoon.

860-291964 - Indian Ocean bottlenose dolphin (Tursiops aduncus) pair swimming in the blue waters of the Mayotte lagoon.

860-291932 - Pair of Chinese Sea Snakes (Laticauda semifasciata) swimming, Snake Ridge dive site, Gunung Api, Banda Sea, Indonesia

860-291910 - Green turtle (Chelonia mydas) swimming back to the surface to breathe after feeding on seagrass. Abu Dabbab Bay, Marsa Alam, Egypt, Red Sea

860-291909 - Freediver watching a Green turtle (Chelonia mydas) feeding on seagrass at the bottom. Abu Dabbab Bay, Marsa Alam, Egypt, Red Sea

860-291625 - Grey reef shark (Carcharhinus amblyrhynchos) in a cave at a depth of 60 metres. Mayotte

1350-6537 - Split shot of a large barrel jellyfish (Rhizostoma pulmo) with the wreck of the small steam ship Kaffir in the background. A moody cloudy sky with textured clouds is above. Ayr, Scotland.

860-291099 - Loggerheads (Caretta caretta), is a species of oceanic turtle distributed throughout the world. But persistent population declines due to pollution, shrimp trawling, and development in their nesting areas. Listed as Vulnerable IUCN. Terceira island, Azores, Portugal, Atlantic Ocean

860-291319 - Common octopus (Octopus vulgaris), followed from painted comber (Serranus scriba). Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-291178 - Dolphin (Delphinus delphis) is jumping out at high speed out of the water. South Africa. False Bay.

860-291102 - Loggerhead turtle (caretta caretta) accompanied by imperial blackfish (Schedophilus ovalis) swimming below the surface. Azores, Portugal, Atlantic Ocean.

860-291053 - Salps, also known colloquially as ?sea grape?) or salpa, salpae or salpas is a barrel-shaped, planktic tunicate. Antarctic Peninsula, Antarctica

860-291054 - Anemone (Urticinopsis antarctica). It is a filter feeder and opportunistic predator. Antarctic Peninsula, Antarctica

860-291177 - Dolphin (Delphinus delphis) is jumping out at high speed out of the water. South Africa. False Bay.

860-291401 - Green sea turtle (Chelonia mydas) in seagrass - seagrass, sebadal, seba (Cymodocea nodosa). Of all the sea turtles that exist, it is the only omnivorous species, feeding in its subadult and adult state on marine plants and algae. Underwater bottoms of the Canary Islands, Tenerife.

860-291400 - Green sea turtle (Chelonia mydas) in seagrass - seagrass, sebadal, seba (Cymodocea nodosa). Of all the sea turtles that exist, it is the only omnivorous species, feeding in its subadult and adult state on marine plants and algae. Underwater bottoms of the Canary Islands, Tenerife.

860-291229 - STARFISH (Narcissia canariensis). Endemic species. Detail of the tube feet. Marine invertebrates of the Canary Islands, Tenerife.

860-291320 - White-spotted octopus or grass octopus (Callistoctopus macropus) on a night dive. Puolo Bay, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-291097 - The Portuguese man o' war (Physalia physalis), also known as the man-of-war, a marine hydrozoan floating on the surface. Azores, Portugal, Atlantic Ocean.

860-290735 - White spotted octopus (Octopus macropus) on black background. Marine invertebrates of the Canary Islands.

860-290734 - White spotted octopus (Octopus macropus) on black background. Marine invertebrates of the Canary Islands.

860-290736 - White spotted octopus (Octopus macropus) on black background. Marine invertebrates of the Canary Islands.

860-290737 - White spotted octopus (Octopus macropus) above bottom. Marine invertebrates of the Canary Islands.

860-290733 - White spotted octopus (Octopus macropus) on black background. Marine invertebrates of the Canary Islands.

1350-6286 - A wolf eel (Anarhichas lupus) bites into its favorite food, a sea urchin.

1350-6256 - Butterfly blenny in a fan mussel, Italy

1350-6268 - A blacktip shark (Carcharhinus limbatus) swims off the rocky reef of Aliwal Shoal, South Africa

1350-6262 - Sea bottom of False Bay are the natural habitat of sharks, seals, whales and dolphins, South Africa

1350-6276 - Close up of Mediterranean moray (Muraena helena) hunting at night, Italy

1350-6269 - A stargazer fish (Uranoscopus scaber) during a night dive, Italy

1350-6273 - A Steller sea lion (Eumetopias jubatus) speeding in front of the camera, British Columbia, Canada

1350-6257 - A nursehound (Scyliorhinus stellaris) watches closely a group of small cod passing by. Shot taken off Chioggia (VE) on one of the many rocky formations developed in the seabed of the upper Adriatic, called Tegnue. These bio-sediments are similar to coral reefs and for this reason they are also called Adriatic coral reefs.

1350-6285 - The graphic and essential shape of a Parapandal shrimp (Plesionika narval) in an unusual shot from above which also highlights the eggs, with their characteristic blue color.

1350-6281 - School of lionfish (Pterois sp.) in the tropical waters of Misool, Indonesia

860-290418 - Fin whale (Balaenoptera physalus) is the largest baleen whale found in the Mediterranean Sea. It is the world?s second largest cetacean, after the blue whale. Pelagos Sanctuary for Mediterranean Marine Mammals, Mediterranean Sea

860-290424 - Sperm whale, (Physeter macrocephalus). Vulnerable (IUCN). The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Pelagos Sanctuary for Mediterranean Marine Mammals, Mediterranean Sea

860-289867 - Atlantic spotted dolphins (Stenella frontalis), Formigas Islet dive site, 27 miles northeast of Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-289858 - Great hermit crab (Dardanus arrosor). Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-289873 - Nudibranch ( picta azorica). This subspecies is known only from the Azores. Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-289864 - Atlantic spotted dolphins (Stenella frontalis), Formigas Islet dive site, 27 miles northeast of Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-289866 - Atlantic spotted dolphins (Stenella frontalis), Formigas Islet dive site, 27 miles northeast of Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-290417 - Bottlenose dolphins (Tursiops truncatus) Pelagos Sanctuary for Mediterranean Marine Mammals, France, Mediterranean Sea

860-290271 - contamination: Purple sea urchin (Sphaerechinus granularis).Tenerife, Canary Islands.

860-289959 - Red atlantic ref lobster (Enoplometopus antillensis). Carapace about 15 cm long with circular patterns on each side of the head. It lives in dimly lit environments dome crevices, hollows and caves. Marine invertebrates of the Canary Islands, Tenerife.

860-290409 - Seafan, Red Gorgonian, Paramuricea clavata, Vervece rock, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-289980 - Tail of Blue whale (Balaenoptera musculus brevicauda) is the largest animal ever known to have existed. This may be the pygmy sub-species of blue whale, Balaenoptera musculus. Mirissa, Sri Lanka, Indian Ocean Photo taken under permit

860-290013 - Actinaria, sand anemone, Condylactis aurantiaca, Ponza island, Italy, Tyrrhenian Sea, Mediterranean

860-290407 - Sea star, (Astropecten aranciacus), Puolo Bay, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-289865 - Atlantic spotted dolphins (Stenella frontalis), Formigas Islet dive site, 27 miles northeast of Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-290416 - Risso's dolphin (Grampus griseus), Pelagos Sanctuary for Mediterranean Marine Mammals, France, Mediterranean Sea

860-290422 - Snorkeler with Loggerhead turtle (Caretta caretta), one of the three species found in Mediterranean Sea. Pelagos Sanctuary for Mediterranean Marine Mammals, Mediterranean Sea

860-290062 - Face to face with a green turtle (Chelonia mydas) on the Sawandarek site. Raja Ampat

860-290412 - Two Penta star, Peltaster placenta, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-289961 - Atlantic spotted dolphin (Stenella frontalis). Group of dolphins submerged. Tenerife, Canary Islands.

860-290264 - Snakelocks Anemone Opelet (Anemonia viridis) in the port of Cap d'Agde, Herault, Occitania, France.

860-290378 - Orange Coral (Dendrophyllia Ramea). Marine invertebrate, cnidarian. Tenerife, the seabed of the Canary Islands.

860-290067 - Imperial shrimp (Periclimenes imperator) hidden under a Sea cucumber, Mayotte

860-290414 - Hairy triton (Monoflex parthenopeus) Vervece rock, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranea

860-290033 - Common cuttlefish (Sepia officinalis)swimming in the Thau lagoon, Bouzigues, Herault, Occitania, France.

860-289960 - Atlantic spotted dolphin (Stenella frontalis). Group of dolphins submerged. Tenerife, Canary Islands.

860-290423 - Sperm whale, (Physeter macrocephalus). Vulnerable (IUCN). The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat.

860-290420 - Fin whale (Balaenoptera physalus) is the largest baleen whale found in the Mediterranean Sea. It is the world?s second largest cetacean, after the blue whale. Pelagos Sanctuary for Mediterranean Marine Mammals, Mediterranean Sea

860-289869 - Loggerhead turtle (Caretta caretta) accompanied by pilotfish (Naucrates ductor) swimming near the surface. Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-290095 - Octopus, Octopus vulgaris, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-289857 - Triton´s Horn, Trumpet Shell (Charonia lampas), protected species, Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-290419 - Fin whale (Balaenoptera physalus) is the largest baleen whale found in the Mediterranean Sea. It is the world?s second largest cetacean, after the blue whale. Pelagos Sanctuary for Mediterranean Marine Mammals, Mediterranean Sea

860-289860 - Detail of Blue Spiny Starfish, Coscinasterias tenuispina, Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-290421 - Snorkeler and fin whale (Balaenoptera physalus) is the largest baleen whale found in the Mediterranean Sea. It is the world?s second largest cetacean, after the blue whale. Pelagos Sanctuary for Mediterranean Marine Mammals, Mediterranean Sea

860-290415 - Flame scallop (Limaria hians or Lima hians), Puolo, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-290411 - Flame scallop (Limaria hians or Lima hians), Puolo, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-289868 - Loggerhead turtle (caretta caretta) accompanied by pilotfish (Naucrates ductor) swimming near the surface. Vulnerable. Santa Maria Island, Azores, Portugal, Atlantic Ocean

860-290093 - Hermit crab, Dardanus calidus, Mitigliano cave, Marine Protected area Punta Campanella, Massa Lubrense, Penisola Sorrentina, Costa Amalfitana, Italy, Tyrrhenian Sea, Mediterranean

860-290380 - Yellow seafan (Leptogorgia viminalis), Underwater backgrounds of the Canary Islands, Gran Canaria..

860-288896 - Triton (Charonia lampas), off M?dic, Morocco. Species listed in Appendix II to the Barcelona Convention (Protocol concerning specially protected areas and biological diversity in the Mediterranean)

860-288897 - Giant Doris (Felimare picta), off Calella de Palafrugell, Costa Brava, Spain

860-288995 - Brown-Tipped Spindel Cowrie (Pellasimnia brunneiterma) on sea fan, Misool, Raja Ampat, Indonesia

1116-49706 - Mr. Fleetham spent an afternoon photographing these Atlantic Spotted Dolphin (Stenella plagiodon). During the several hours in the water a group of Atlantic Bottlenose Dolphin (Tursiops truncates) joined the company for nearly an hour of inter-species exchange, Bahamas

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

860-288008 - (Mnemiopsis leidyi), the warty comb jelly or sea walnut. Only in springtime, when the hard winter slowly subsides, are the ice-cold waters suitable for divers who can dive around a iceberg that floats in crystal-clear water, Tasiilaq, East Greenland

860-287902 - Sub-adult sperm whale try to move away a calf to to mate with a female, (Physeter macrocephalus), Vulnerable (IUCN), The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Image has been shot in Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.

860-287920 - Sub-adult sperm whale try to move away a calf to to mate with a female, (Physeter macrocephalus), Vulnerable (IUCN), The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Image has been shot in Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.

860-288004 - A tiny Benthic Hydromedusa, with a bell size of less than one centimeter, (Ptychogastria polaris), Tasiilaq, East Greenland

860-288001 - A tiny Benthic Hydromedusa, with a bell size of less than one centimeter, (Ptychogastria polaris), swimming in front of an iceberg, Tasiilaq, East Greenland

860-287910 - Pod of Sleeping sperm whale (Physeter macrocephalus) Researchers first saw this unusual sleep behavior in sperm whales in 2008. The scientists in that study found that sperm whales dozed in this upright drifting posture for about 10 to 15 minutes at a time, Vulnerable (IUCN). The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.

860-288167 - Omura's whale (Balaenoptera omurai) portrait, Nosy Be, Madagascarlast identified species of fin whale