Abyssocottus korotneffi

Abyssocottus korotneffi is a species of deepwater sculpin, a freshwater fish endemic to Lake Baikal in Russia. It is known to dwell at a depth range of 120-1000 metres, most commonly between 450-500 m. Males can reach a maximum total length of 12.6 centimetres and females 13.2 cm. Maximum age is 12 years. Females harbour about 20 eggs in each ovary.

A. korotneffi feeds predominantly on debris and amphipod crustaceans.