Doc White / Beluga / White Whale (Delphinapterus leucas) beneath water surface. Canada, summer. Captive

Doc White / Portrait of Beluga / White Whale (Delphinapterus leucas). Captive. Canada.

Doc White / Beluga / White Whale (Delphinapterus leucas) near sea surface. Canadian Arctic, summer. Captive

Bryan and Cherry Alexander / Inuits from Cape Dorset gathering round the carcass of a Beluga / White whale (Delphinapterus) for meat. Nunavut, Canada, 2002.

Bryan and Cherry Alexander / Inuit hunters returning to Cape Dorset with a Beluga / White whale (Delphinapterus leucas). Baffin Island, Nunavut, Canada, 2002.

Bryan and Cherry Alexander / Inuit hunters returning to Cape Dorset with a Beluga / White whale (Delphinapterus leucas). Baffin Island, Nunavut, Canada, 2002.

Eric Baccega / A pod of Beluga Whale (Delphinapterus leucas) swimming at the sea surface during spring migration. Baffin Island, Lancaster sound, Nunavut, Canada, June.

Eric Baccega / Beluga / White Whales (Delphinapterus leucas) swimming at the sea surface during spring migration. Baffin Island, Lancaster sound, Nunavut, Canada, June.

Eric Baccega / Three Beluga / White Whale (Delphinapterus leucas) swimming at the sea surface during spring migration. Baffin Island, Lancaster sound, Nunavut, Canada, June.

Eric Baccega / Beluga / White Whales (Delphinapterus leucas) swimming at the sea surface during spring migration. Baffin Island, Lancaster sound, Nunavut, Canada, June.

Eric Baccega / Beluga / White Whales (Delphinapterus leucas) swimming at the sea surface during spring migration. Baffin Island, Lancaster sound, Nunavut, Canada, June.

Norbert Wu / Beluga (Delphinapterus leucas) and scuba diver, Vancouver Aquarium, Canada

Norbert Wu / Beluga (Delphinapterus leucas) pair, Vancouver Aquarium, Canada

Norbert Wu / Beluga (Delphinapterus leucas) and scuba diver, Vancouver Aquarium, Canada

Hiroya Minakuchi / Beluga (Delphinapterus leucas) blowing toroidal bubble ring, Vancouver Aquarium, Canada

Alex Mustard / A large female Bull shark (Carcharhinus leucas) cruises over sea grass. Walkers Cay, Northern Bahama Islands, Republic of Bahamas. March

Steven Kazlowski / Beluga whale (Delphinapterus leucas) swimming in an open lead during spring migration, Chukchi Sea, Barrow, Arctic Alaska

Doug Perrine / Female Bull sharks (Carcharhinus leucas) in seasonal breeding aggregation with Sharksuckers (Echeneis naucrates) Playa del Carmen, Cancun, Quintana Roo, Yucatan Peninsula, Mexico (Caribbean Sea)

Doug Perrine / Female Bull sharks (Carcharhinus leucas) in seasonal breeding aggregation with Sharksuckers (Echeneis naucrates) Playa del Carmen, Cancun, Quintana Roo, Yucatan Peninsula, Mexico (Caribbean Sea)

Doug Perrine / Sharksuckers (Echeneis naucrates) with Bull sharks (Carcharhinus leucas) Playa del Carmen, Cancun, Quintana Roo, Yucatan Peninsula, Mexico (Caribbean Sea)

Doug Perrine / Female Bull sharks (Carcharhinus leucas) in seasonal breeding aggregation with Sharksuckers (Echeneis naucrates) Playa del Carmen, Cancun, Quintana Roo, Yucatan Peninsula, Mexico (Caribbean Sea)

Doug Perrine / Female Bull sharks (Carcharhinus leucas) in seasonal breeding aggregation with Sharksuckers (Echeneis naucrates) Playa del Carmen, Cancun, Quintana Roo, Yucatan Peninsula, Mexico (Caribbean Sea)

Doug Perrine / Bull shark (Carcharhinus leucas) female in seasonal breeding aggregation with Sharksucker (Echeneis naucrates) Playa del Carmen, Cancun, Quintana Roo, Yucatan Peninsula, Mexico (Caribbean Sea)

Jeff Rotman / Close-up of a Bull / Zambezi shark (Carcharhinus leucas) approaching shark cage. This species is responsible for most attacks in South Africa. Natal Sharks Board - Umhlanga, South Africa, Indian Ocean

Steven Kazlowski / Wooden Norwegian whaling boat alongside hundreds of Beluga / White whale (Delphinapterus leucas) bone remains, off Ahlstrandodden, Van Keulenfjord, Svalbard, Norway. July 2009

Steven Kazlowski / Beluga / White whale (Delphinapterus leucas) bones piled up and left on a beach by Norwegian whalers in the early 1900s, off Ahlstrandodden, Van Keulenfjord, Svalbard Archipelago, Norway. July 2009

Hiroya Minakuchi / Beluga (Delphinapterus leucas) whale blowing a toroidal bubble ring, Shimane Aquarium, Japan

Sue Flood / Aerial view of Beluga whales (Delphinapterus leucas) Lancaster Sound, Nunavut, Canadian high Arctic, June

Sue Flood / Cameraman Doug Allan in hide filming Beluga whales (Delphinapterus leucas) in estuary mouth, Cunningham inlet, Somerset Island, Canadian Arctic, July 2000

Sue Flood / Young Beluga whale (Delphinapterus leucas) in harbour, Newfoundland, Canada

Doug Allan / Aerial view of Beluga whales (Delphinapterus leucas) swimming through crack in ice sheet, Canadian Arctic, summer, July 1993

Doug Allan / Aerial view of Beluga whales (Delphinapterus leucas) travelling up lead, Lancaster Sound, Nunavut, Canadian high Arctic

Doug Allan / Inuit hunters with body of unborn Beluga (Delphinapterus leucas) calf and mother that they have hunted, Lancaster Sound, Nunavut, Canadian high Arctic, June 2004

Steven Kazlowski / Beluga whale (Delphinapterus leucas) bones piled up and left on a beach by Norwegian whalers in the early 1900s, off Ahlstrandodden, Van Keulenfjord, Svalbard Archipelago, Norway

Steven Kazlowski / Adult Beluga / White whales (Delphinapterus leucas) swim through an open lead in the pack ice during spring migration, off the Arctic coastal village of Point Hope, Chukchi Sea, Alaska, May 2008

Steven Kazlowski / An Inupiaq whaling crew at the edge of an open lead in the pack ice waiting behind a snow blind and watch for passing whales during spring whaling season, with a Beluga / White whale (Delphinapterus l...

Matthias Breiter / Polar Bear (Ursus maritimus) feeding on carcass of Beluga (Delphinapterus leucas), Hudson Bay, Canada

Matthias Breiter / Polar Bear (Ursus maritimus) feeding on carcass of Beluga (Delphinapterus leucas), Hudson Bay, Canada

DOC WHITE / White / Beluga whale calf {Delphinapterus leucas} surfacing in shallow inlet, Canadian Arctic

DOC WHITE / White / Beluga whale {Delphinapterus leucas} underwater, Canadian Arctic

DOC WHITE / Child at aquarium interacting with White / Beluga whale {Delphinapterus leucas} Canada

DOC WHITE / Large pod of White / Beluga whales {Delphinapterus leucas} surfacing in shallow inlet, Canadian Arctic

Fred Bavendam / Grey Reef Shark (Carcharhinus amblyrhynchos) dead after its fins were cut off for shark fin soup, Thailand

Fred Bavendam / Grey Reef Shark (Carcharhinus amblyrhynchos) dead after becoming entangled in fishing net, Thailand

Hiroya Minakuchi / Beluga (Delphinapterus leucas) group surfacing, Churchill, Manitoba, Hudson Bay, Canada

Hiroya Minakuchi / Beluga (Delphinapterus leucas) calf surfacing, Churchill, Manitoba, Hudson Bay, Canada

Hiroya Minakuchi / Beluga (Delphinapterus leucas) group swimming, Churchill, Manitoba, Hudson Bay, Canada

Hiroya Minakuchi / Beluga (Delphinapterus leucas) trio swimming, Churchill, Manitoba, Hudson Bay, Canada

Hiroya Minakuchi / Beluga (Delphinapterus leucas) pair, Churchill, Manitoba, Hudson Bay, Canada

Hiroya Minakuchi / Beluga (Delphinapterus leucas) pair swimming, Churchill, Manitoba, Hudson Bay, Canada

Jeff Rotman / Close-up of Child examining mouth of dead Zambezi / Bull Shark (Carcharhinus leucas) at dissection station. Natal Sharks Board, Umhlanga, South Africa

Jeff Rotman / Close-up of Zambezi / Bull shark (Carcharhinus leucas) approaching shark cage. Responsible for most attacks in South Africa. Natal Sharks Board, Umhlanga, South Africa

Dan Burton / Beluga / White whale {Delphinapterus leucas} White sea, Russia, captive

Dan Burton / Beluga / White whale {Delphinapterus leucas} White sea, Russia, captive

Dan Burton / Beluga / White whale {Delphinapterus leucas} White sea, Russia, captive

Dan Burton / Beluga / White whale {Delphinapterus leucas} White sea, Russia, captive, Not available for ringtone/wallpaper use.

Dan Burton / Beluga / White whale {Delphinapterus leucas} White sea, Russia, captive

Dan Burton / Julia Petrik free-diving (without air supply) with captive Beluga / White whale {Delphinapterus leucas} under ice in the White sea, Russia March 2008

Dan Burton / Beluga / White whale {Delphinapterus leucas} White sea, Russia, captive

Dan Burton / Beluga / White whale {Delphinapterus leucas} White sea, Russia, captive

Dan Burton / Beluga / White whale {Delphinapterus leucas} White sea, Russia, captive

Hiroya Minakuchi / Beluga (Delphinapterus leucas) whale trio blowing toroidal bubble rings, play behavior, vulnerable, Shimane Aquarium, Japan

Hiroya Minakuchi / Beluga (Delphinapterus leucas) whale blowing a toroidal bubble ring, Shimane Aquarium, Japan

Martha Holmes / Bull shark (Carcharhinus leucas) caught on line for sport fishing using grouper as bait, South Andros, Bahamas

Eric Baccega / Beluga / White whale (Delphinareptus leucas) surfacing, Captive, Vancouver Aquarium, Canada

Eric Baccega / Beluga / White whale (Delphinareptus leucas) with trainer, Captive, Vancouver Aquarium, Vancouver, Canada

Eric Baccega / Beluga / White whale (Delphinareptus leucas) surfacing, Captive, Vancouver Aquarium, Canada

Eric Baccega / Beluga / White whale (Delphinareptus leucas) surfacing, Captive, Vancouver Aquarium, Canada

Eric Baccega / Young Beluga / White whale (Delphinareptus leucas) observing gull with curiosity at Vancouver Aquarium, Captive, Canada

Flip Nicklin / Beluga (Delphinapterus leucas) whale portrait in aquarium

Flip Nicklin / Beluga (Delphinapterus leucas) whale pod molt in freshwater shallows, Northwest Territory, Canada

Flip Nicklin / Beluga (Delphinapterus leucas) whale victim of a Polar Bear (Ursus maritimus) attack, Somerset Island, Northwest Territory, Canada

Flip Nicklin / Beluga (Delphinapterus leucas) whales stranded until tide comes in, Somerset Island, Northwest Territory, Canada

Flip Nicklin / Beluga (Delphinapterus leucas) whale pod molt in freshwater shallows, Northwest Territory, Canada

Flip Nicklin / Beluga (Delphinapterus leucas) whale pod swimming along shore where researcher records and photographs, Baffin Island, Canada

Barry Bland / Beluga / White whale {Delphinapterus leucas} spyhopping / leaping during show at Vancouver Aquarium, Canada.

Barry Bland / Beluga / White whale {Delphinapterus leucas} face portrait, Vancouver Aquarium, Canada.

Sue Flood / Doug Allan filming Beluga whales (Delphinapterus leucas) caught in ice hole in Canadian high Arctic, June 1999

Hiroya Minakuchi / Beluga (Delphinapterus leucas) whale pair swimming together, Shimane Aquarium, Japan

Hiroya Minakuchi / Beluga (Delphinapterus leucas) whale blowing toroidal bubble ring, Shimane Aquarium, Japan

Willem Kolvoort / Three adult Beluga whales with newborn spyhopping (Delphinapterus leucas) White Sea, Solovetsky Island, Russia

Doug Allan / Beluga whales male {Delphinapterus leucas} Somerset Is, Canadian arctic Cunningham

Doug Allan / White whale (Beluga) pod (Delphinapterus leucas} Cunningham Inlet, Somerset Is.

Doug Allan / Aerial view of Beluga/white whales {Delphinapterus leucas} Cunningham Islet Canadian Arctic

Sue Flood / Beluga / White Whales caught in ice hole ("savssat"), Canadian Arctic

Doug Allan / Belugas feeding on Arctic cod school {Delphinapterus leucas} Radstock Bay Canadian Arctic

Doug Allan / Beluga whales / White whales (Delphinapterus leucas) feeding on a school of Arctic cod, Radstock Bay, Lancaster Sound, Canadian Arctic

Doug Allan / Aerial view of Belugas in Cunningham Is {Delphinapterus leucas} Somerset Is, Can Arctic

Doug Allan / Beluga whales {Delphinapterus leucas}, Cunningham Islet, Somerset Island, Canadian Arctic

Sue Flood / Beluga whale trapped in ice hole injured in Polar bear attack. Canadian High Arctic

Doug Allan / White (Beluga) Whales underwater {Delphinapterus leucas} Lancaster Sound,

Doug Allan / White (Beluga) Whales underwater {Delphinapterus leucas} Lancaster Sound,

Doug Allan / White (Beluga) Whales underwater {Delphinapterus leucas} Lancaster Sound,

Doug Perrine / Bull shark {Carcharhinus leucas}

Doug Allan / White / Beluga whales underwater {Delphinapterus leucas} Lancaster Sound, Canada.

Sue Flood / Beluga whales trapped at ice hole and injured by Polar bear attack. Canadian High Arctic.