Thymallus nigrescens, also known as the Hovsgol grayling, is a species of freshwater fish in the salmon family. It is endemic to the Mongolian Lake Khovsgol where they usually live near or on the bottom of the lake.
Description Hovsgol grayling can reach a recorded maximum length of while the average size varies between . The species are omnivorous and mainly feed on plankton.
References
External links This pristine lake has endured for 2m years. Why are its fish in crisis? – The Guardian