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

[3] It is a freshwater, deep water-dwelling fish which is endemic to Lake Baikal, in Russia.

It is known to dwell at a depth range of 430 to 480 metres (1,410 to 1,570 ft).

[2] The IUCN classifies this species as Critically Endangered because it is known only from the vicinity of Frolikha Bay in northern Lake Baikal, a very restricted range, and is threatened by pollution, water extraction and waste-water treatment.

This Cottidae article is a stub.