Olga Kamenskaya / Grayling (Thymallus) under Ice, Lake Baikal, Siberia, Russia.
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Michel Roggo / Grayling (Thymallus thymallus) on spawning ground, Lac de Fenetre, alpine lake, 2456 m above sea level, Canton of Valais, Switzerland, June. Taken for the Freshwater Project.