Ingo Arndt / Sea trout (Salmo trutta trutta) alevin just hatched with full yolk sac, Europe
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Wild Wonders of Europe / Roggo / European grayling (Thymallus thymallus) alevin, 18 days, feeding on zooplankton, from Lake Thun, Switzerland, captive, April 2009
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Wild Wonders of Europe / Roggo / European grayling (Thymallus thymallus) alevin, 13 days, feeding on zooplankton, from Lake Thun, Thun, Switzerland, captive, April 2009 Wild Wonders kids book.
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Ingo Arndt / Amu-Darya Trout (Salmo trutta trutta) alevin freshly hatched with full yolk sac, Europe
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Ann & Steve Toon / Atlantic salmon (Salmo salar) tray of alevin, Kielder Salmon Hatchery, Northumberland UK, March 2012
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Michel Roggo / European Grayling (Thymallus thymallus) egg with alevin visible inside, hatchery from Lake of Thoune, Switzerland, 1991. Captive
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Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) alevins and eggs, Kamchatka, Russia
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Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) alevin and egg, Kamchatka, Russia
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Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) alevins and egg, Kamchatka, Russia
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Wild Wonders of Europe / Roggo / European grayling (Thymallus thymallus) alevin, 4 days, from Lake Thun, Switzerland, captive, April 2009
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Wild Wonders of Europe / Roggo / European grayling (Thymallus thymallus) alevin, 13 days, from Lake Thun, Switzerland, captive, April 2009
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Ingo Arndt / Amu-Darya Trout (Salmo trutta trutta) alevin freshly hatched with full yolk sac, Europe
