Ian Coleman / Illustration of Grey reef shark (Carcharhinus amblyrhynchos), Carcharhinidae. Endangered / threatened species.
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Ian Coleman / Illustration of Great white shark (Carcharodon carcharias), Lamnidae. Endangered / threatened species.
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Alex Mustard / View of gills and gill rakers of a Basking shark (Ceterhinus maximus) as it feeds in Cornwall, England. UK, East Atlantic Ocean. June
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Alex Mustard / Tiger shark (Galeocerdo cuvier) portrait over white sand. Little Bahama Bank, Bahamas.
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Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) with Pilot fish (Naucrates ductor). Tropical West Atlantic Ocean, off Cat Island, Bahamas.
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Juergen Freund / Richard Fitzpatrick releases Grey reef shark {Carcharhinus amblyrhynchos} after inserting transmitter into its belly, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008
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Juergen Freund / Whitetip reef shark (Triaenodon obesus) and Grey reef sharks (Carcharhinus amblyrhynchos) at North Horn, Queensland, Australia
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Juergen Freund / Grey reef sharks (Carcharhinus amblyrhynchos) at North Horn, Queensland, Australia
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Juergen Freund / Grey Reef sharks (Carcharhinus amblyrhynchos) at North Horn teeming at water surface
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Doug Perrine / School of Grey reef sharks {Carcharhinus amblyrhynchos}, Micronesia.
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Doug Perrine / School of Grey reef sharks {Carcharhinus amblyrhynchos} on coral reef Micronesia.
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Doug Perrine / School of Grey reef sharks {Carcharhinus amblyrhynchos} Micronesia.
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Doug Perrine / School of Grey reef sharks {Carcharhinus amblyrhynchos} near surface Micronesia.
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Fred Bavendam / Grey Reef Shark (Carcharhinus amblyrhynchos) feeding on a large baitfish ball, Solomon Islands, South Pacific
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Fred Bavendam / Grey Reef Shark (Carcharhinus amblyrhynchos) feeding on a large baitfish ball, Solomon Islands
Alex Mustard / A large female Grey nurse /Sand Tiger / Ragged-tooth Shark (Carcharias taurus) Fish Rock, Southwest Rock, New South Wales, Australia. Pacific Ocean. In the final stages of pregancy, female gray nurse...
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Alex Mustard / Grey nurse /Sand Tiger / Ragged-tooth Shark (Carcharias taurus) Fish Rock, Southwest Rock, New South Wales, Australia. Pacific Ocean. November
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Alex Mustard / Grey nurse /Sand Tiger / Ragged-tooth Shark (Carcharias taurus) close up, Fish Rock, Southwest Rock, New South Wales, Australia. Pacific Ocean. November
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Alex Mustard / Grey nurse /Sand Tiger / Ragged-tooth Shark (Carcharias taurus) Fish Rock, Southwest Rock, New South Wales, Australia. Pacific Ocean. November
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Juergen Freund / Richard Fitzpatrick inserting radio transmitter into skin of Grey reef shark {Carcharhinus amblyrhynchos} part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008
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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,...
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Juergen Freund / Richard Fitzpatrick inserting radio transmitter into skin of Grey reef shark {Carcharhinus amblyrhynchos} part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008
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Juergen Freund / Richard Fitzpatrick sewing up a Grey reef shark {Carcharhinus amblyrhynchos} after inserting transmitter into its belly, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2...
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Juergen Freund / Richard Fitzpatrick sewing up a Grey reef shark {Carcharhinus amblyrhynchos} after inserting transmitter into its belly, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2...
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Fred Bavendam / Grey Nurse Shark (Carcharias taurus) underwater portrait, New South Wales, Australia
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Fred Bavendam / Grey Nurse Shark (Carcharias taurus) swimming over reef, New South Wales, Australia
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Fred Bavendam / Grey Nurse Shark (Carcharias taurus), New South Wales, Australia
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Fred Bavendam / Grey Reef Shark (Carcharhinus amblyrhynchos), Coral Sea, Australia
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Fred Bavendam / Grey Reef Shark (Carcharhinus amblyrhynchos) dead after its fins were cut off for shark fin soup, Thailand
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Fred Bavendam / Grey Reef Shark (Carcharhinus amblyrhynchos) dead after becoming entangled in fishing net, Thailand
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Norbert Wu / Grey Nurse Shark (Carcharias taurus) swimming near Papoose Wreck off North Carolina
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Norbert Wu / Grey Nurse Shark (Carcharias taurus) pair and other small fish swimming through Papoose Wreck off North Carolina
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Norbert Wu / Grey Nurse Shark (Carcharias taurus) swimming through Papoose Wreck with other small fish, off North Carolina
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Norbert Wu / Grey Nurse Shark (Carcharias taurus) swimming through Papoose Wreck off North Carolina
Juergen Freund / Grey reef shark (Carcharhinus amblyrhynchos) at North Horn, Queensland, Australia
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Juergen Freund / Whitetip reef shark (Triaenodon obesus) and Grey reef sharks (Carcharhinus amblyrhynchos) at North Horn, Queensland, Australia
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Juergen Freund / Grey Reef sharks (Carcharhinus amblyrhynchos) at North Horn teeming at water surface
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Juergen Freund / Grey Reef sharks (Carcharhinus amblyrhynchos) and other fish species just under surface at North Horn
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Juergen Freund / Grey reef sharks (Carcharhinus amblyrhynchos) at North Horn, Queensland, Australia
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Juergen Freund / Underside of Grey reef shark (Carcharhinus amblyrhynchos) and other fish at North Horn, Queensland, Australia
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Juergen Freund / Undersea Explorer's crewwith grey reef shark (Carcharhinus amblyrhynchos) to collect tissue samples. North Horn, Queensland, Australia
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Juergen Freund / Grey reef sharks (Carcharhinus amblyrhynchos) and other fish at North Horn, Queensland, Australia
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Juergen Freund / Great reef shark (Carcharhinus amblyrhnchos) and other fish with a "shark attack" cage, North Horn, Queensland, Australia.
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Michael Pitts / Grey reef shark {Carcharhinus amblyrhynchos} Grand Bahamas, Caribbean
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Susan McMillan / Grey reef shark (Carcharihinus amblyrhynchos) caught by fisherman, Aldabra, Gambia
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Doug Perrine / RF- Greenland sleeper shark (Somniosus microcephalus) St. Lawrence River estuary, Canada. NB: this shark was wild and unrestrained. (This image may be licensed either as rights managed or royalty free...
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J Foott / Grey reef shark {Carcharhinus amblyrhynchos} patrolling over coral reef, French polynesia, Pacific Ocean
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Doug Perrine / Teeth of Sand tiger shark {Carcharias taurus} or Grey nurse shark {Odontaspis taurus}
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Doug Perrine / Male Sand tiger shark showing claspers and lateral line {Carcharias taurus} Grey nurse
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Doug Perrine / RF- School of Grey reef sharks (Carcharhinus amblyrhynchos). Micronesia. (This image may be licensed either as rights managed or royalty free.)
Roberto Rinaldi / Divers in a shark cage watching Grey reef sharks (Carcharhinus amblyrhynchus), Flinders reef, Australia
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Ian Coleman / Illustration of pelvic fin of Gray reef shark (Carcharhinus amblyrhynchos). Endangered/threatened species.
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Ian Coleman / Illustration of pectoral fin of Gray reef shark (Carcharhinus amblyrhynchos). Endangered / threatened species.
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Ian Coleman / Illustration of Sand tiger shark / Grey nurse shark / Spotted ragtooth shark (Carcharias taurus), Odontaspididae. Not to be confused with nurse shark. Endangered / threatened species.