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

860-292189 - Killer whale (Orcinus orca) and Emperor penguins (Aptenodytes forsteri) on pack ice in the Ross Sea, McMurdo Sound, Antarctica

832-397072 - Snorkeling set on boat heading to tropical island in Thailand

860-290604 - killer whale, Orcinus orca, spy hop, Vestfjord, Ofotfjord, and Tysfjord, Lofoten Islands, Norway, Atlantic Ocean

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

1350-1854 - A smooth hammerhead shark (Sphyrna zygaena), swims under the surface in open ocean, breaking the water with its dorsal fin, Sea of Cortez, Mexico

832-389406 - Detail of dorsal fin, parrot fish (Scarus), Pacific, Great Barrier Reef, UNESCO World Heritage, Australia, Oceania

1116-47193 - Orca Whales (Orcinus Orca) Surface Near Juneau In Lynn Canal, Inside Passage, With The Coast Range In The Background, Alaska, United States Of America

1116-46838 - Two Spinner dolphins (Stenella longirostris) off the island of Lanai, Lanai, Hawaii, United States of America

1116-46667 - An Orca Whale, Or Killer Whale, (Orcinus Orca) Surface Near Juneau In Lynn Canal, Inside Passage, Alaska, United States Of America

1116-44930 - Arctic Grayling (Thymallus Arcticus) Underwater With Hook In Mouth, United States Of America

1116-44288 - Two Killer Whales (Orcinus Orca) Swim Through The Channel, Kodiak, Alaska, United States Of America

1116-42864 - An Orca Whale (Orcinus Orca), A Male Indicated By The Height Of Its Dorsal Fin, Surfaces In Lynn Canal On A Summer Evening, Inside Passage, Alaska, United States Of America

971-178 - Two Type A orcas (Orcinus orca) surfacing together in the Southern Ocean, South Sandwich Islands, Polar Regions

1112-4024 - Resident killer whale pod, Orcinus orca, surfacing in Chatham Strait, Southeast Alaska, United States of America

1112-4026 - Resident killer whale, Orcinus orca, tail throw in Chatham Strait, Southeast Alaska, United States of America

1112-4022 - Resident killer whale pod, Orcinus orca, surfacing in Chatham Strait, Southeast Alaska, United States of America

1112-4023 - Resident killer whale pod, Orcinus orca, surfacing in Chatham Strait, Southeast Alaska, United States of America

1116-39678 - A young Spinner Dolphin (Stenella longirostris), leaps into the air beside it's mother, off the island of Lanai, Lanai, Hawaii, United States of America

1116-39677 - A leaping Spinner Dolphin (Stenella longirostris) off the island of Lanai, Lanai, Hawaii, United States of America

1116-39735 - The strings hanging off the dorsal fin of this Great White Shark (Carcharodon carcharias) are parasitic copepods. Photographed just breaking the surface off Guadalupe Island, Mexico

1174-4673 - Squirrelfish (Holocentrus adscensionsis) finds shelter near a large Barrel sponge.

1112-3553 - A very rare sighting of Type D (sub-Antarctic) killer whales (Orcinus orca) in the Drake Passage, Antarctica, Polar Regions

1112-3554 - An adult bull Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

1112-3551 - Adult Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

1112-3549 - Adult bull Type D (sub-Antarctic) killer whale (Orcinus orca), surfacing in the Drake Passage, Antarctica, Polar Regions

1112-3547 - A very rare sighting of Type D (sub-Antarctic) killer whales (Orcinus orca), in the Drake Passage, Antarctica, Polar Regions

1184-643 - Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

1184-645 - Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

1184-647 - Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

1184-641 - Killer whales (orcas) (Orcinus orca) hunting, Weddell, Sea, Antarctica, Polar Regions

1184-639 - Killer whale (orca) (Orcinus orca), Weddell, Sea, Antarctica, Polar Regions

1112-3095 - A calf and adult killer whale (Orcinus orca) surfacing in Glacier Bay National Park, Southeast Alaska, United States of America, North America

917-608 - Gervais Beaked Whale, Mesoplodon europaeus, adult surfacing, showing dorsal fin, extremely rare image, Azores, Atlantic Ocean

860-285267 - Salted blue shark drying in the sun, Guerero Negro Mexico

1112-2826 - Adult Type A killer whale (Orcinus orca) surfacing in the Gerlache Strait, Antarctica, Polar Regions

1112-2830 - Adult bull Type A killer whale (Orcinus orca) power lunging in the Gerlache Strait, Antarctica, Polar Regions

1112-2825 - Adult bull Type A killer whale (Orcinus orca) surfacing in the Gerlache Strait, Antarctica, Polar Regions

911-10813 - Minke Whales(Balaenoptera acutorostrata) feeding in the Gerlache Strait separating the Palmer Archipelago from the Antarctic Peninsular off Anvers Island. The Antartic Peninsular is one of the fastest warming areas of the planet.

832-374850 - Short-beaked Dolphins (Delphinus delphis) in the Atlantic, off Algarve, Portugal, Europe

1112-1571 - A small pod of four or five killer whales (Orcinus orca) feeding amongst frigatebirds between Fernandina and Isabela Islands, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

1112-1572 - A small pod of four or five killer whales (Orcinus orca) feeding amongst frigatebirds between Fernandina and Isabela Islands, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

1112-1307 - Adult female and male long-finned pilot whales (Globicephala melas), offshore near Doubtful Sound, South Island, New Zealand, Pacific

1112-1264 - Dusky dolphin (Lagenorhynchus obscurus) surfacing off Kaikoura, South Island, New Zealand, Pacific

1112-1262 - Long-beaked common dolphin (Delphinus capensis) leaping near White Island, North Island, New Zealand, Pacific

1112-1093 - A small pod of Type B killer whales (Orcinus orca) in Neko Harbor, Andvord Bay, Antarctica, Southern Ocean, Polar Regions

1112-1094 - A small pod of Type B killer whales (Orcinus orca), near Cierva Cove, Antarctica, Southern Ocean, Polar Regions

1112-1049 - Antarctic Minke whale (Balaenoptera bonaerensis), Booth Island, Antarctica, Southern Ocean, Polar Regions

1112-1065 - Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

938-82 - Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

1112-1050 - Antarctic Minke whale (Balaenoptera bonaerensis), Booth Island, Antarctica, Southern Ocean, Polar Regions

1112-1062 - Type B killer whales (Orcinus orca) travelling and socializing in Lemaire Channel near the Antarctic Peninsula, Southern Ocean, Polar Regions

1112-1066 - Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

1112-1064 - Type A killer whale (Orcinus orca) bull, traveling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

1112-1063 - Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

990-179 - The blueish colouration pattern of Blue whales (Balaenoptera musculus) is used for photo-identification. St. Lawrence estuary, Canada

990-173 - Tall dorsal fin of a Finback whale (Balaenoptera physalus) which is located far back along the dorsal ridge. This prominent feature is often used for identification. St. Lawrence estuary, Canada

990-172 - Finback whale (Balaenoptera physalus) arching its back in order to dive showing its tall dorsal fin and patches of green algae that cover its back. St. Lawrence estuary, Canada

1112-949 - Resident killer whale bull, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

1112-948 - Resident killer whale, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

1112-957 - Transient killer whales (Orcinus orca) surfacing at sunset, Haro Strait, Saturna Island, British Columbia, Canada, North America

1112-958 - Transient killer whales (Orcinus orca) surfacing at sunset, Haro Strait, Saturna Island, British Columbia, Canada, North America

1112-956 - Transient killer whales (Orcinus orca), Haro Strait, Saturna Island, British Columbia, Canada, North America

1112-953 - Resident killer whale, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

1112-952 - Resident killer whale, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

1112-947 - Resident killer whale bull, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

1112-951 - Resident killer whale, Orcinus orca, Cattle Pass, San Juan Island, Washington, United States of America, North America

1112-474 - Humpback whale (Megaptera novaeangliae), Vikingbukta, Northeast Greenland, Polar Regions

1113-43682 - Common dolphins, Delphinus delphis, in the Atlantic ocean off the Algarve coast, Portugal, Europe

1113-43681 - Common dolphins, Delphinus delphis, in the Atlantic ocean off the Algarve coast, Portugal, Europe

817-409517 - A female tourist taking picture of Pacific white-sided dolphin at the Vancouver Aquarium, Vancouver, BC

817-409516 - Pacific white-sided dolphin interacting with a tourist at the Vancouver Aquarium, Vancouver, BC

1116-30932 - Hawaii, galapagos shark with sunburst in background, (Carcharhinus galapagensis).

1116-31122 - Hawaii, This image captures the split second when this breaching humpback whale (Megaptera novaeangliae) is completely airbore. An incredible feat for this enormous leviathan.

1116-38769 - Caribbean, Little Bahama Bank, Spotted Dolphins, pod underwater (Stenella attenuata) C1999

1116-38768 - Hawaii, Big Island, Roughtooth Dolphin, pair near surface (Steno bredanensis) C1991

1116-38998 - Hawaii, Underside Humpback Whale (Megaptera novaeangliae) breaching, clear blue sky background D1975

1116-32567 - Hawaii, galapagos shark (Carcharhinus galapagensis) baring teeth at surface.

1116-38603 - Hawaii, Pacific Spotted Dolphin skimming the surface, B1886

1116-32568 - Hawaii, galapagos shark (Carcharhinus galapagensis) baring teeth at surface.

1116-38600 - Caribbean, Little Bahama Bank, Atlantic Spotted Dolphins (Stenella) over/under, dive boat B1896

1116-33575 - Hawaii, Front half of scalloped hammerhead shark (Sphyrna lewini)

1116-38777 - [DC] Bottlenose Dolphin leaps over sun ball, orange sky, silhouette C1995

1116-39020 - Caribbean, Little Bahama Bank, 5 Atlantic Spotted Dolphins silhouette sunburst surface (Stenella) D1923

1116-32587 - Hawaii, Oahu, North Shore, Galapagos shark showing teeth at surface.

1116-30401 - Hawaii, Gray Reef Shark (Carcharhinus amblyrhynchos), Fin surfacing ocean.

1116-38606 - Hawaii, Two Pacific Spotted Dolphins at surface of glassy ocean with reflections B1882

1116-38114 - Caribbean, Little Bahama Bank, 4 Atlantic Spotted Dolphins (Stenella) underwater A92C

1116-38767 - Australia, Common Dolphin (Delphinus delphis) leaps of water C1984

1116-33955 - Hawaii, Dolphin pod swimming together underwater.

1116-33573 - Hawaii, Front half of scalloped hammerhead shark (Sphyrna lewini)

1116-32588 - Hawaii, Oahu, North Shore, Galapagos shark showing teeth at surface.

1116-30207 - French Polynesia, Rangiroa, Blue Lagoon, Blacktip reef shark (Carcharhinus melanopterus).

1116-38997 - Hawaii, Side view Humpback Whale (Megaptera novaeangliae) breaching, Pacific Ocean D1962

1116-32585 - Hawaii, Oahu, North Shore, Galapagos shark showing teeth at surface.

1116-33577 - Hawaii, Scalloped hammerhead shark (Sphyrna lewini)

1116-26028 - Tk0628, Thomas Kitchin; Orca/Killer Whale. Johnstone Strait, British Columbia. Canada. Orcinus Orca.

1103-339 - Orca (killer whale) in the Straits of Gibraltar, Europe

978-489 - Dorsal fins at the surface, telltale signs of the giant basking shark (Cetorhinus maximus), Coll, Inner Hebrides, Scotland, United Kingdom, Europe

999-3 - Mel, the Killer Whale or Orca (Orcinus orca) narrowly misses out on a South American Sea Lion (Otaria flavescens) that it was hunting, in Patagonia. Of the 18 only 7 have mastered the stranding behaviour whereby the Orca enters the shallow surf to feed on Sea Lion pups. Distinctive by his 2 metre dorsal fin, Mel is an expert hunter who feeds on Sea Lion pups before taking them back to his pod. This lucky Sea Lion however managed to escape the hunter's attentions.