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

860-291908 - Freediver swimming with Dugong (Dugong dugon). Marsa Alam, Egypt. Red Sea

860-291476 - Female snorkeler above the reef at sunset, S Pass, Mayotte

1350-6553 - Woman underwater in Mitjorn beach in Formentera, Spain

1350-6552 - Woman underwater in Mitjorn beach in Formentera, Spain

1350-6551 - Woman underwater in Mitjorn beach in Formentera, Spain

1350-6267 - Dreamlike shot of a humpback whale (Megaptera novaeangliae) in the waters of Tonga island (south Pacific)

1350-6279 - An italian crested newt (Triturus carnifex) swimming calm in the placid waters of Lago Nero, 1730 mt above sea level, only reachable walking

1350-6258 - A diver swims between a sperm whale (Physeter macrocephalus) and her cub in the waters of the Caribbean island of Dominica.

1350-6264 - A group of dolphins (Delphinus delphis) create a network of air bubbles to trap a small group of sardines before launching the attack. Photo taken during south african sardine run, an event taking place yearly between May and July, when millions of sardines lay their eggs in the cold waters of the Agulhas shoal and then move north along the eastern coast of South Africa, being chased and hunted by dolphins, sharks, whales and birds.

1350-6284 - A smiling female diver among the golden jellyfish (Mastigias papua) of Jellyfish Lake, on the island of Eil Malk (Republic of Palau, Micronesia).

1350-5282 - Young woman swims underwater in the beautiful waters of Menorca, Spain

1350-5462 - Attractive woman swimming underwater in Formentera, Balearic Islands, Spain

1350-5387 - Young woman swims underwater in the beautiful waters of Menorca, Spain

1350-5329 - Attractive woman swimming underwater in Formentera, Balearic Islands, Spain

1350-5355 - Young woman swims underwater in the beautiful waters of Menorca, Spain

860-290029 - Humpback whale (Megaptera novaeangliae) facing a snorkeler in the waters of the Pacific Ocean.

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

860-290421 - 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

860-290258 - Pilot group. Calderon (Globicephala macrorhynchus) with naturalist photographer. Tenerife, Canary Islands. Photograph taken with the mandatory permits of the MAPAMA.

860-287918 - Freediver swimming with female sperm whale, Physeter macrocephalus, Vulnerable (IUCN), Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 17/01/02 FIS-4.

860-287919 - Freediver swimming with female sperm whale, Physeter macrocephalus, Vulnerable (IUCN), Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 17/01/02 FIS-4.

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

860-287898 - 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

860-287914 - Free diver is swimming over a 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.

860-287905 - Pod of 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. Image has been shot in Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.

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

860-287912 - Snorkeler photographing a 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.

860-287894 - 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

860-287086 - Free diver taking pictures of an American crocodile (Crocodylus acutus), Chinchorro Banks (Biosphere Reserve), Quintana Roo, Mexico

860-287088 - Free diver taking pictures of an American crocodile (Crocodylus acutus), Chinchorro Banks (Biosphere Reserve), Quintana Roo, Mexico

860-287050 - Photographer and humpback whale (Megaptera novaeangliae) with his young in the waters of the Mayotte lagoon.

857-96003 - Side view of single man snorkeling in coral reef in Puerto Morelos, Quintana Roo, Mexico

860-285256 - Snorkeler and California Sea lions, Gulf of California

934-211 - Christian Ernist (Sweden) & Christian maldame (France during the static apnea.at the Oslo Ice Challenge 2009. Oslo, Norway

934-210 - Christian Ernist (Sweden) & Christian maldame (France during the static apnea.at the Oslo Ice Challenge 2009. Oslo, Norway

934-212 - Christian Ernist (Sweden) & Christian maldame (France after the static apnea.at the Oslo Ice Challenge 2009. Oslo, Norway