The Cottidae are a family of fish in the superfamily Cottoidea, the sculpins. It is the largest sculpin family, with about 275 species in 70 genera. They are referred to simply as cottids to avoid confusion with sculpins of other families.
The Abyssocottinae are a subfamily of ray-finned fishes in the family Cottidae, the sculpins. They are known commonly as the deep-water sculpins. The entire family is endemic to Lake Baikal in Siberia.
Cottus is a genus of the mainly freshwater ray-finned fishes belonging to the family Cottidae, the typical sculpins. They are often referred to as the "freshwater sculpins", as they are the principal genus of sculpins to be found in fresh water. They are native to the Palearctic and Nearctic.
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 which make the main food source of the Baikal seal.
Asprocottus is a genus of ray-finned fish belonging to the family Cottidae, the typical sculpins. These fishes are endemic to endemic to Lake Baikal in Russia.
Asprocottus abyssalisis a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. These sculpins are endemic to Lake Baikal in Russia. It was described by Dmitrii Nikolaevich Taliev in 1955, originally as a subspecies of Asprocottus herzensteini. It is a freshwater fish which is endemic to Lake Baikal, Russia. It is known to dwell at a depth range of 150–1400 metres.
Herzenstein's rough sculpin is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. These sculpins are endemic to Lake Baikal in Russia. It was described by Lev Berg in 1906. It dwells at a depth range of 22–887 metres, and is abundantly found below 60 m. Males can reach a maximum total length of 11.5 centimetres.
Asprocottus intermedius is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. It was described by Dmitrii Nikolaevich Taliev in 1955, originally as a subspecies of Asprocottus herzensteini. It is a freshwater fish which is endemic to Lake Baikal, Russia. It is known to dwell at a depth range of 200–800 metres.
Asprocottus korjakovi is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. This species is endemic to the ancient lake Baikal in Siberia. It is a member of the deepwater sculpin family Abyssocottidae, and was described scientifically by Valentina Sideleva in 2001.
Asprocottus parmiferus is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins.. It was described by Dmitrii Nikolaevich Taliev in 1955, originally as a subspecies of Asprocottus herzensteini. It is a freshwater fish which is endemic to Lake Baikal, Russia. It is known to dwell at a depth range of 50–500 metres.
Asprocottus platycephalus is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. It was described by Dmitrii Nikolaevich Taliev in 1955, originally as a subspecies of Asprocottus herzensteini. 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.
Asprocottus pulcher is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. It was described by Dmitrii Nikolaevich Taliev in 1955. It is a freshwater fish which is endemic to Lake Baikal, Russia. It is known to dwell at a depth range of 50–250 metres.
Cyphocottus eurystomus is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. These sculpins are endemic to Lake Baikal in Russia. It was described by Dmitrii Nikolaevich Taliev in 1955, originally as a subspecies of Asprocottus megalops. It is a freshwater fish which is endemic to Lake Baikal, Russia. It is known to dwell at a depth range of 50–600 metres.
Limnocottus bergianus is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins.. It was described by Dmitrii Nikolaevich Taliev in 1935. 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.
</ref>Bogutskaya, N. (2020). "Limnocottus griseus". IUCN Red List of Threatened Species. 2020: e.T159632832A159633406. doi:10.2305/IUCN.UK.2020-3.RLTS.T159632832A159633406.en. Retrieved 7 March 2023.</ref>
Neocottus thermalis is a deepwater sculpin. It was described by Valentina Grigorievna Sideleva in 2002. 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.
Procottus gotoi is one of the four species of Procottus, a genus of deepwater sculpins endemic to Lake Baikal, Siberia. It was described only in 2001 by Valentina Sideleva.
The Baikal yellowfin, also known as the yellow-finned sculpin or yellow-wing sculpin, is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. This species is endemic to Lake Baikal and its tributaries in Siberia, Russia. It is most common in the southern part of the lake and lives from near the shore to a depth of 300 m (980 ft).
Comephorus baikalensis, the big Baikal oilfish, is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. This fish is endemic to Lake Baikal in Russia.
Comephorus dybowskii, the little Baikal oilfish, is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. This fish is endemic to Lake Baikal in Russia.
