Cottoidei

Comephorus, known as the golomyankas or Baikal oilfish, are a genus comprising two species of peculiar sculpin fishes endemic to Lake Baikal in Russia. Comephorus is the only genus in the subfamily Comephorinae. Golomyankas are pelagic fishes and the main food source for the Baikal seal.

Cottoidei is a suborder of ray-finned fishes in the order Perciformes. It contains sculpins, snailfish, blobfish, greenlings, and sablefish. They are primarily found in temperate, polar, and deep waters, especially in the Northern Hemisphere.

A sculpin is a type of fish that belongs to the superfamily Cottoidea in the order Perciformes. As of 2025, this superfamily contains 5 families, 112 genera, and 405 species.