Limnocottus bergianus is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins.

[3] It is a freshwater fish which is endemic to Lake Baikal, Russia.

It is known to dwell at a depth range of 100–1000 metres.

Males can reach a maximum total length of 22.5 centimetres.

[2] L. bergianus feeds primarily on bony fish and gammarids.