Sevan trout

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Sevan trout (Salmo ischchan) is an endemic fish species of Lake Sevan in Armenia. It is endangered, because various competitors have been introduced into the lake during the Soviet period, including common whitefish (Coregonus lavaretus) from Lake Ladoga, goldfish (Carrasius auratus) and crayfish (Astacus leptodactylus). Should the Sevan trout become extinct in its "home" lake, it seems that it will survive in Issyk-Kul lake in Kyrgyzstan where it was introduced during the Soviet era.

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