Cheryl-Samantha Owen / Shark spotter, in front of black flag at the Kalk Bay post. It provides a warning to ocean goers that visibility is bad and the shark spotters may not see a white shark if it does enter the bay. West...
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Franco Banfi / Free diver with Blue shark (Prionace glauca) Pico Island, Azores, Portugal, Atlantic Ocean, July. No release available.
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Mark Carwardine / Whale shark (Rhincodon typus) aerial view of juvenile with two people swimming alongside, La Paz Bay, Sea of Cortez (Gulf of California), Baja California, Mexico, March 2009
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Mark Carwardine / Whale shark (Rhincodon typus) aerial view of juvenile with two people swimming alongside, La Paz Bay, Sea of Cortez (Gulf of California), Baja California, Mexico, March 2009
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Alex Mustard / Whale shark (Rhincodon typus) silhouette of shark feeding on floating fish eggs (not visible) just below the surface in calm weather, with snorkeller taking photos nearby, Isla Mujeres, Quintana Roo,...
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Claudio Contreras / Great white shark (Carcharodon carcharias) passing divers cage, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, Pacific ocean, September
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Juergen Freund / Split level of whale shark {Rhincodon typus} and tourist boat, Ningaloo Reef, Western Australia
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David Fleetham / Photographer / diver watching lemon shark (Negaprion brevirostris) with remoras. West End, Grand Bahamas, Atlantic Ocean. Model released.
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Frederique Olivier / Whale shark (Rhincodon typus) feeding near the surface, with tourists watching nearby, Ningaloo Reef, Western Australia, 2014.
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Frederique Olivier / Close up of a Whale shark (Rhincodon typus) feeding near the surface, with tourists watching nearby, Ningaloo Reef, Western Australia, 2014.
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Alex Mustard / A diver has a dramatic close encounter with Silky shark (Carcharhinus falciformis) Cat Island, Bahamas. Tropical North Atlantic Ocean
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Pascal Kobeh / Whale sharks (Rhincodon typus) gather around small fishing boats in the morning as local fishermen feed them shrimp, watched by tourists, Oslob, Sulu Sea, Philippines