John Waters / Small group of Rainbow trout (Oncorhynchus mykiss) swimming in the River Kennet, Berkshire, England, UK, March.
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Orsolya Haarberg / View of a rainbow in the spray of Bjornefossen Waterfall, Saltfjellet-Svartisen National Park, Norway, August 2015.
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Kevin Schafer / Rainbow in the mist of Kaieteur Falls, Potaro River, Kaieteur National Park, Guyana
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Kirkendall-Spring / Lower Yellowstone Falls with rainbow, on the Yellowstone River viewed from Lookout Point Trail, Yellowstone National Park, Wyoming, USA, June 2013.
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Alex Mustard / Portrait of a spotted sunfish (Lepomis punctatus) in front of reeds in a river. Rainbow River, Florida, United States of America.
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Bryan and Cherry Alexander / Rainbow over a Khanty reindeer herders' camp by the Bolshaia Paipudyna River in the Polar Urals Mountains. Yamal, Western Siberia, Russia, Summer 2007.
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Michel Roggo / Rainbow trout (Salmo gairdneri / Oncorhynchus mykiss) Sava river, Slovenia, 2005
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Michel Roggo / Rainbow trout (Salmo gairdneri / Oncorhynchus mykiss) in pool of the Lepena river, Slovenia 2006
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Michel Roggo / Rainbow trout (Salmo gairdneri / Oncorhynchus mykiss) in pool of the Lepena river, Slovenia 2006
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Barry Bland / Rainbow Trout {Salmo gairdneri} Fly Fishing on the Clutha River, Wanaka, New Zealand. Model Released.
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Norbert Wu / Iguacu Falls, world's largest waterfalls, Brazil and Argentina border
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Pete Oxford / Rainbow over Madre de Dios River, Peru.