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

[2] It was described by Dmitrii Nikolaevich Taliev in 1955, originally as a subspecies of Asprocottus herzensteini.

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

It is known to dwell at a depth range of 50–800 metres, most commonly between 250 and 460 m. Males can reach a maximum total length of 10.5 centimetres.

This Cottidae article is a stub.