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.
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...
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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Anup Shah / Head on view of male Indian gharial {Gavialis gangeticus} India, Endangered species
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Neil Lucas / Cuban crocodile (Crocodylus rhombifer)
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Adam White / Giant tortoise {Geochelone elephantopus} wave breaking on back, Aldabra, Seychelles
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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
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Sandesh Kadur / King cobra (Ophiophagus hannah) male and female courtship, Agumbe, Karnatka, India, captive
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Patricio Robles Gil / Fiji banded iguana (Brachylophus fasciatus) on (Heliconia) plant, Fiji Islands, endangered species (iguana)
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Inaki Relanzon / Hawksbill turtle (Eretmochelys imbricata) in shallow water. Nosy Be, north Madagascar, Africa.
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Jurgen 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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Jurgen Freund / Baby Leatherback sea turtle (Dermochelys coriacea) seen from below. Warmamedi beach, Bird's Head Peninsula, West Papua, Indonesia, July
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Ann & Steve Toon / Two Loggerhead turtle (Caretta caretta) hatchlings moving from nest to sea at night, Banga Nek, Kwazulu Natal, South Africa
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Jurgen Freund / Hawksbill turtle (Eretmochelys imbricata) swimming over a reef towards the camera. Banda Neira, Moluccas, Indonesia, December 2009.
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Doug Perrine / Head profile of Loggerhead turtle {Caretta caretta} Bahamas Caribbean Sea, Atlantic Ocean ~(Non-ex).
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Jurgen Freund / Hawksbill turtle (Eretmochelys imbricata) swimming, seen from below. Banda Neira, Moluccas, Indonesia, December 2009.
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Georgette Douwma / Hawksbill turtle (Eretmochelys imbricata) swimming up to the surface to breathe, Rinca, Komodo National Park, Indonesia.
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Graham Eaton / Leatherback Turtle (Dermochelys coriacea) returning to the sea after egg laying. Cayenne, French Guiana, June.
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Wild Wonders of Europe / Zankl / Loggerhead turtle (Caretta caretta) hatching, Dalyan Delta, Turkey, July 2009
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Ole Jorgen Liodden / Galapagos Green Turtle (Chelonia mydas agassizi) near sea surface. Galapagos
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Claudio Contreras / Hawksbill turtle (Eretmochelys imbricata) Cancun National Park, Caribbean Sea, Mexico, July
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Graham Eaton / Leatherback Turtle (Dermochelys coriacea) hatchlings crossing a beach towards the sea. Cayenne, French Guiana, July.
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Graham Eaton / Leatherback Turtle (Dermochelys coriacea) hatchling crossing a beach to get to the sea. Cayenne, French Guiana, July.
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Doug Perrine / Green sea turtle (Chelonia mydas) being cleaned of algae by Yellow tangs / surgeonfish (Zebrasoma flavescens), Puako, Kona, Hawaii, USA, June, Endangered species
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Doug Perrine / Loggerhead turtle {Caretta caretta} head and flipper close up. Bahamas, Caribbean Sea, Atlantic ~(Non-ex).
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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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Inaki Relanzon / Madagascar radiated tortoise, (Geochelone radiata) crossing sand, Anakao, South Tulear, South Madagascar, May
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Inaki Relanzon / Madagascar radiated tortoise (Geochelone radiata) rear view, Anakao, South Tulear, South Madagascar