Sevan trout (Salmo ischchan), an endemic fish species of Lake Sevan
The Sevan trout (Salmo ischchan) and Sevan beghlu are included in the Red Book of Armenia.
The fish is endangered, because various competitors were introduced into the lake during the Soviet period, including common whitefish (Coregonus lavaretus) from Lake Ladoga, goldfish (Carassius auratus) and narrow-clawed crayfish (Astacus leptodactylus); and because of lake level change.
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