Andy Rouse / Galapagos green turtle (Chelonia mydas agassisi) swimming in murky water of mangrove forest, Galapagos
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Juergen Freund / Box jellyfish {Chironex sp.} in mangroves, split level, Australia
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Sergio Hanquet / Controlled discharge of treated water from pipe, surrounded by shoal of fish. Atlantic ocean, 2019.
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Sergio Hanquet / Controlled discharge of treated water from pipe. Atlantic ocean, 2019.
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Sergio Hanquet / Controlled discharge of treated water from pipe. Atlantic ocean, 2019.
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Rod Williams / Murky-legged black legionnaire (Beris chalybata) Beverley Court Gardens, London, England, UK. April.
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Remi Masson / Group of Wels catfish (Silurus glanis), including an albino, gathered in the River Rhone, France, November.
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Ashley Cooper / Striped necked terrapins (Mauremys caspica) in a river in Skala Eresou, Lesvos, Greece. June.
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Michel Roggo / Aerial view of the Danube Delta with murky water of the Danube river mixing with the clear water of the delta channels, Danube Delta Biosphere Reserve UNESCO World Heritage Site,, Romania May 2014. Ph...
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Michel Roggo / Water plants in the murky water of the Danube river, Danube Delta UNESCO World Heritage Site, Romania, May 2014 . Photographed for The Freshwater Project
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Paul Hobson / Toads (Bufo bufo) in amplexus split level view, Derbyshire, England, UK, April.