Procottus major

Procottus major is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. This species is endemic to Lake Baikal in Siberia. It was originally described as a subspecies of the similar but smaller red sculpin. P. major can be found at depths of up to, especially on a muddy or rocky-mud bottom. In the spring and summer it typically occurs deeper than, and in the fall and winter from. It can reach a length of, but is usually. It feeds on smaller animals, especially gammarids, and breeding occurs in the winter at depths of. This species is fished and its young are an important food source for other fish.