Lenoks (otherwise known as Asiatic trout or Manchurian trout) are a genus, Brachymystax, of salmonid fishes native to Mongolia, Siberia, the far East of Russia, Northern China, the Sea of Japan and South Korea. Lenoks can belong to the sharp-nosed or blunt-nosed form. Populations of blunt-nosed lenoks are generally found in different areas than populations of sharp-nosed lenoks. Brachymystax savinovi typically grow to about 20 inches (510 mm). They are relatively round in shape, and speckled with dark brown spots. They usually weigh up to 15 kilograms (33 lb). Their ventrals are usually colored a reddish hue, and their pectoral fins yellowish. Lenoks in Korea are now on the verge of extinction due to deforestation. Lenoks tend to live in rivers of any sort, but usually upstream, where the water is colder. During the glacial epoch, lenoks were landlocked inland of the Korean peninsula.
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