Mark Carwardine / Pacific white-sided dolphin / Lag (Lagenorhynchus obliquidens) swimming fast, showing dorsal fin, Johnstone Strait, Vancouver Island, British Columbia, western Canada
01407136
Alex Mustard / Basking shark (Cetorhinus maximus) rear view of shark feeding at the surface on plankton, Cairns Of Coll, Isle of Coll, Inner Hebrides, Scotland, UK, North East Atlantic Ocean, June
01400210
Alex Mustard / 2020VISION / Dorsal fin of a Basking shark (Cetorhinus maximus) at the surface, Cairns of Coll, Inner Hebrides, Scotland. UK, June.
01362722
Kathryn Jeffs / Southern Type B Killer whale (Orcinus orca) hunting Weddell seal (Leptonychotes weddelli), Antarctica. Taken on location for BBC Frozen Planet series, January
01331261
Martin Camm / Carwardine / Illustration of Striped dolphin (Stenella coeruleoalba), Delphinidae (Wildlife Art Company).
01328394
Sergey Gorshkov / Salmon (Salmonidae) migrating to spawn in Lake Kuril, Kamchatka, Far East Russia, August
01325781
Juan Carlos Munoz / Great white shark (Carcharodon carcharias) with dorsal fin showing above water. False Bay, South Africa, July 2010
01298961
Jeff Rotman / Great White shark (Carcharodon carcharias) surfacing with head and dorsal fin visible, Dyer Island, South Africa, Atlantic Ocean.
01298906
Jeff Rotman / Detail of dorsal fin of Bluespine Unicornfish (Naso Unicornis) Red Sea, Egypt
00427448
Pete Oxford / Whale Shark (Rhincodon typus) swimming with other tropical fish, note satellite tag to right of dorsal fin, Wolf Island, Galapagos Islands, Ecuador
Doug Perrine / Dorsal fin of Great white shark at surface {Carcharodon carcharias} Gansbaai, South Africa
01133245
Todd Pusser / Large dorsal fin of male transient killer whale {Orcinus orca} Monterey Bay, California, USA.
00196756
Konrad Wothe / Orca (Orcinus orca) female surfacing and spouting beside conifer-covered coastline, Inside Passage, Alaska
00114212
Flip Nicklin / Sperm Whale (Physeter macrocephalus) surfacing, New Zealand
00079532
Flip Nicklin / Orca (Orcinus orca) resident pod A-5 at rest, Johnstone Strait, British Columbia, Canada
01102911
TOM WALMSLEY / Killer whale (Orcas) two adult males at surface {Orcinus orca} Tysfjord, Norway. winter
01102909
TOM WALMSLEY / Killer whale (Orca) surfacing showing dorsal fin, eyepatch and blowhole {Orcinus orca} Iceland
01099307
Jeff Rotman / Fisherman holding dorsal fin cut from Scalloped Hammerhead shark {Sphyrna lewini} caught on longline, Cocos Island, Costa Rica, Pacific Ocean
01417172
Staffan Widstrand / Minke whale (Balaenoptera acutorostrata) surfacing near coastal ice, Svalbard, Norway, July
01417171
Staffan Widstrand / Fin whale (Balaenoptera physalus) at surface, Svalbard, Norway, July
01417170
Staffan Widstrand / Fin whale (Balaenoptera physalus) at surface, Svalbard, Norway, July
01291999
Mark Carwardine / Fin whale (Balaenoptera physalus) close-up showing stalked barnacles on dorsal fin, Sea of Cortez (Gulf of California), Baja California, Mexico, Endangered
01291868
Mark Carwardine / Fin whale (Balaenoptera physalus) dorsal fin at surface, Sea of Cortez (Gulf of California), Baja California, Mexico, Endangered species
01195853
Mark Carwardine / Shortfin pilot whale (Globicephala macrorhynchus) surfacing, Baja California, Sea of Cortez (Gulf of California), Mexico
01195826
Mark Carwardine / Two Humpback whales (Megaptera novaeangliae) diving together, Baja California, Sea of Cortez (Gulf of California), Mexico, Threatened or endangered species (Vulnerable)
01195556
Mark Carwardine / Pacific white-sided dolphin / Lag (Lagenorhynchus obliquidens) swimming fast, showing dorsal fin, Johnstone Strait, Vancouver Island, British Columbia, western Canada
01124145
Mark Carwardine / Humpback whale surfacing {Megaptera novaeangliae} South Sheltand Is, Antarctica.
01124144
Mark Carwardine / Three Humpback whales at surface {Megaptera novaeangliae} Sea of Cortez, Mexico
01124146
Mark Carwardine / Humpback whale surfacing {Megaptera novaeangliae} New England, USA
01124143
Mark Carwardine / Humpback whale diving {Megaptera novaeangliae} South Sheltand Is, Antarctica.
01124078
Mark Carwardine / Basking shark, dorsal fin at surface {Cetorhinus maximus} Isle of Man, UK.
01124088
Mark Carwardine / Dorsal fin of Great white shark at surface {Carcharodon carcharias} South Africa
01404467
Konrad Wothe / Fin whale (Balaenoptera physalus) at surface, Antarctica. February.
01407126
Alex Mustard / Whale shark (Rhincodon typus) spotted dorsal fin breaks the surface, Isla Mujeres, Quintana Roo, Yucatan Peninsular, Mexico. Caribbean Sea.
01407125
Alex Mustard / Whale shark (Rhincodon typus) spotted dorsal fin breaks the surface, Isla Mujeres, Quintana Roo, Yucatan Peninsular, Mexico. Caribbean Sea.
Cheryl-Samantha Owen / Blacktip reef shark (Carcharhinus melanopterus) profile of dorsal fin, Aldabra Atoll, Seychelles, Indian Ocean
01400211
Alex Mustard / 2020VISION / Dorsal fin of a Basking shark (Cetorhinus maximus) at the surface, Cairns of Coll, Inner Hebrides, Scotland. UK, June.
01397379
Brent Stephenson / Dusky dolphin (Lagenorhynchus obscurus) surfacing to take a breath, off Kaikoura, Canterbury, New Zealand.
01397358
Brent Stephenson / Hector's dolphin (Cephalorhynchus hectori) breaking the surface as it breathes showing the distinctive patterning and rounded dorsal fin. Akaroa Harbour, Canterbury, New Zealand.
01387587
Roland Seitre / Bottle-nosed Dolphin (Tursiops truncatus) dorsal fin at sea surface. Senegal, West Africa.
01387572
Roland Seitre / Indian Ocean Bottlenose Dolphin (Tursiops aduncus) with head and dorsal fin above water. Monkey Mia, Western Australia.
01387526
Roland Seitre / Australian humpback dolphin (Sousa sahulensis) back with scratch marks and dorsal fin. Scratches are thought to be from interaction or competition with other dolphin. Tin Can Bay, Queensland, Austral...
01387595
Roland Seitre / Bottle-nosed Dolphin (Tursiops truncatus) dorsal fin at sea surface. Senegal, West Africa.
01388823
Brent Stephenson / Harbour porpoise (Phocoena phocoena) surfacing showing its sharp dorsal fin. Endicott Arm, Alaska, United States, July.
01388810
Brent Stephenson / Bryde's whale (Balaenoptera edeni) breaks the surface of the sea showing its back and dorsal fin, Hauraki Gulf, Auckland, New Zealand, November.
01388809
Brent Stephenson / Bryde's whale (Balaenoptera edeni) breaks the surface of the sea showing its back and dorsal fin, Hauraki Gulf, Auckland, New Zealand, November.
01388808
Brent Stephenson / Bryde's whale (Balaenoptera edeni) breaks the surface of the sea showing its back and dorsal fin, Hauraki Gulf, Auckland, New Zealand, November.
00482714
Flip Nicklin / Humpback Whale (Megaptera novaeangliae) mother and calf at the ocean surface, Maui, Hawaii - notice must accompany publication; photo obtained under NMFS permit 13846
01378901
Alex Mustard / Sailfin blenny (Emblemaria pandionis) male displaying his large dorsal fin, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
00478050
Hiroya Minakuchi / Orca (Orcinus orca) male with curved dorsal fin, Shiretoko, Hokkaido, Japan
01364903
Pedro Narra / Dorsal fin of Bottlenose dolphin (Tursiops truncatus) silhouetted at sunset, Sado Estuary, Portugal, November
01358544
John MacPherson / 2020VISION / Bottlenose dolphin (Tursiops truncatus) racing through the water, dorsal fin showing, Moray Firth, Inverness-shire, Scotland, UK, September 2011
00475879
Hiroya Minakuchi / Orca (Orcinus orca) with flaccid dorsal fin, Prince William Sound, Alaska
01346632
Juergen Freund / Steinitz' shrimp goby (Amblyeleotris steinitzi) with parasitic nudibranch (Gymnodoris nigricolor) feeding on its dorsal fin, the goby lives in symbiosis with the shrimp who digs a burrow which the gob...
01346631
Juergen Freund / Steinitz' shrimp goby (Amblyeleotris steinitzi) with parasitic nudibranch (Gymnodoris nigricolor) feeding on its dorsal fin, the goby lives in symbiosis with a shrimp who digs a burrow which the goby...
Pete Oxford / Orca (Orcinus orca) female dorsal fins, East Falkland Island, Falkland Islands
00452048
Pete Oxford / Orca (Orcinus orca) female dorsal fins, East Falkland Island, Falkland Islands
00452047
Pete Oxford / Orca (Orcinus orca) female followed by gulls picking up scraps of meat from Southern Elephant Seal (Mirounga leonina) kill, East Falkland Island, Falkland Islands
00452046
Pete Oxford / Orca (Orcinus orca) female dorsal fins, East Falkland Island, Falkland Islands
00448016
Suzi Eszterhas / Short-finned Pilot Whale (Globicephala macrorhynchus) surfacing, Sea of Cortez, Baja California, Mexico
Hiroya Minakuchi / Orca (Orcinus orca) male surfacing, Prince William Sound, Alaska
00446385
Hiroya Minakuchi / Orca (Orcinus orca) female surfacing, Prince William Sound, Alaska
00445974
Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) doral fins of group swimming upstream, Kamchatka, Russia
01300732
Doug Perrine / Dorsal fin of Bryde's whale (Balaenoptera brydei / edeni) with copepod parasite near tip, off Cabo San Lucas, Baja California, Mexico (Eastern Pacific Ocean)
01300716
Doug Perrine / Salmon shark (Lamna ditropis) finning at surface (swimming in circles with dorsal fin exposed) in the rain, Port Fidalgo, Prince William Sound, Alaska, USA
01300208
Jeff Rotman / Close up of dorsal fin of California hornshark (Heterodontus francisci) of with horn spine, Channel Islands, California (USA) Pacific Ocean.
01225917
Juergen Freund / Richard Fitzpatrick inserting depth and time recording device to base of dorsal fin of Grey reef shark {Carcharhinus amblyrhynchos} part of the Coral Reef census, Lizard Island, Queensland, Australia,...
00442950
Hiroya Minakuchi / Orca (Orcinus orca) transient pod surfacing, one with a damaged dorsal fin, southeast Alaska
00442937
Hiroya Minakuchi / Orca (Orcinus orca) transient surfacing, Monterey Bay, California
00441760
Hiroya Minakuchi / Orca (Orcinus orca) male and females, part of the resident pod, Prince William Sound, Alaska
00441759
Hiroya Minakuchi / Orca (Orcinus orca) male and females, part of the resident pod, Prince William Sound, Alaska
00441757
Hiroya Minakuchi / Orca (Orcinus orca) females, part of the resident pod, Prince William Sound, Alaska
01256753
Wild Wonders of Europe / Campbell / Bottlenosed dolphin (Tursiops truncatus) by yacht, dorsal fin showing above surface, Moray Firth, Nr Inverness, Scotland, April 2009
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Wild Wonders of Europe / Campbell / Bottlenosed dolphin (Tursiops truncatus) porpoising, dorsal fin showing, Moray Firth, Nr Inverness, Scotland, April 2009
01079760
Jeff Rotman / Whitetip reef shark (Triaenodon obesus) close-up of dorsal fin, Cocos Island, Costa Rica
01245086
Tim Laman / Giant mudskipper (Periophthalmodon sp.) on the mangrove mudflat in the Matang mangroves with its dorsal fin up. Taiping vicinity, Perak, Malaysia. May 2006
01245081
Tim Laman / Giant mudskipper (Periophthalmodon sp.) on mangrove mudflat in the Matang mangroves. Dorsal fin raised in display. Taiping vicinity, Perak, Malaysia. mAY 2006
00433312
Stephen Belcher / Great White Shark (Carcharodon carcharias) swimming at the surface, Seal Island, False Bay, South Africa
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Stephen Belcher / Great White Shark (Carcharodon carcharias) swimming at the surface, Seal Island, False Bay, South Africa
00150374
Fred Bavendam / Whale Shark (Rhincodon typus) fin with propeller caused scars, Ningaloo Reef, Australia
Juergen Freund / Back and dorsal fin of Humpback whale (Megaptera novaeangliae) with sailing boat in background, off coast of Tonga
01225360
Michael Pitts / Killer whale / Orca {Orcinus orca} dorsal fin of female in tide pool, Sealion island, Falkland Islands
00427920
Pete Oxford / Scalloped Hammerhead Shark (Sphyrna lewini) being released after researchers attached a satellite tag to its dorsal fin, Wolf Island, Galapagos Islands, Ecuador
00427486
Pete Oxford / Scalloped Hammerhead Shark (Sphyrna lewini) released after it had a satellite tag attached to its dorsal fin by researchers, Wolf Island, Galapagos Islands, Ecuador
00427469
Pete Oxford / Scalloped Hammerhead Shark (Sphyrna lewini) tag placed on dorsal fin, Wolf Island, Galapagos Islands, Ecuador
00427460
Pete Oxford / Scalloped Hammerhead Shark (Sphyrna lewini) tag on dorsal fin, Wolf Island, Galapagos Islands, Ecuador
00427461
Pete Oxford / Scalloped Hammerhead Shark (Sphyrna lewini) tag placed on dorsal fin, Wolf Island, Galapagos Islands, Ecuador
00427450
Pete Oxford / Whale Shark (Rhincodon typus) dorsal fin, Wolf Island, Galapagos Islands, Ecuador
01210486
Doug Perrine / Dorsal fin of Porbeagle shark (Lamna nasus) with spaghetti tag inserted from University of New Brunswick / Canadian Shark Conservation Society research program, New Brunswick, Bay of Fundy, Canada 20...