Almost a third of reptiles are threatened, including most of the marine turtles. Many sharks are endangered and the world's two largest fish are both considered vulnerable.
Pascal Kobeh / Coral reef with ternate pullers / chromis (Chromis ternatensis) above hard corals tables (Acropora ), Daymaniyat islands, Oman. Gulf of Oman.
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Alex Mustard / 2020VISION / Basking shark (Cetorhinus maximus) feeding on plankton in the surface waters around the island of Coll, Inner Hebrides, Scotland, UK, June. 2020VISION Book Plate. Did you know? The largest Basking sha...
Alex Mustard / A large Great hammerhead shark (Sphyrna mokarran), about 4m in length, cruises overhead. Bahamas, Tropical West Atlantic Ocean.
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Nuno Sa / Whale Shark (Rhincodon typus) accompanied by Pilot Fish (Naucrates ductor) and Remora. The biggest fish in the world has only started to visit the Azores in the past three years due to water temperatu...
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Mark Carwardine / Great white shark (Carcharodon carcharias) underwater, Guadalupe Island, Mexico (North Pacific)
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Wild Wonders of Europe / Lundgren / Loggerhead turtle (Caretta caretta) with a shoal of Pilot fish (Naucrates ductor) Pico, Azores, Portugal, June 2009
Juergen Freund / Split-level shot of Leatherback sea turtle (Dermochelys coriacea) baby swimming in the sea near the beach. Warmamedi beach, Bird's Head Peninsula, West Papua, Indonesia, July 2009
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Wild Wonders of Europe / Zankl / Loggerhead turtle (Caretta caretta) hatching, Dalyan Delta, Turkey, July 2009
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Anup Shah / Head on view of male Indian gharial {Gavialis gangeticus} India, Endangered species
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Wild Wonders of Europe / Lundgren / Loggerhead turtle (Caretta caretta) swimming with the top of its shell just above the water surface, Pico, Azores, Portugal, June 2009
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Neil Lucas / Cuban crocodile (Crocodylus rhombifer)