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.
Clinocottus is a genus of marine ray-finned fishes belonging to the family Cottidae, the typical sculpins. They are nearshore benthic fishes native to the northeastern Pacific Ocean. They are mentioned as sharpnose sculpins.
Abyssocottus is a genus of ray-finned fishes belonging to the family Cottidae, the typical sculpins. These sculpins are endemic to Lake Baikal in Russia.
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.
The Andriyashev largeheaded sculpin is a species of marine ray-finned fish belonging to the family Cottidae, the typical sculpins. This species is found in the northwestern Pacific Ocean. This monospecific genus, and therefore this species, are known from a single specimen, the holotype. This was collected from off Simushir Island in the Kuril Islands at a depth of 100 metres (330 ft). That specimen had a total length of 23.6 cm (9.3 in) long. FishBase classifies this taxon within the Cottidae but other authorities classify it within the subfamily Psychrolutinae of the family Psychrolutidae. The genus name Andriashevicottus includes a patronym, the person honoured was not identified by the describer Fedorov, however, it is almost certainly the Soviet ichthyologist Anatoly Petrovich Andriashev, the patronym is suffixed with Cottus, the type genus of the family Cottidae. The specific name megacephalus means "big head".
Artediellus is a genus of marine ray-finned fishes belonging to the family Cottidae, the typical sculpins. Most of the fishes in this genus are found in the northern Pacific Ocean but they also occur in the Arctic and North Atlantic Oceans.
The lavender sculpin is a species of marine ray-finned fish belonging to the family Cottidae, the typical sculpins. It is found in the eastern Pacific Ocean.
The belligerent sculpin, or flathead sculpin, is a species of marine ray-finned fish belonging to the family Cottidae, the typical sculpins. This species occurs in the northern Pacific Ocean.
The spineless sculpin is a species of marine ray-finned fish belonging to the family Cottidae, the typical sculpins. This species is found in the Pacific Ocean where it is endemic to the waters around the Aleutian Islands, Alaska.
The sponge sculpin is a species of marine ray-finned fish belonging to the family Cottidae, the typical sculpins. It is the only species in the monospecific genus Thyriscus. This fish is found in the northern Pacific Ocean where it is found at depths of from 100 to 800 m though usually in the range of 300 to 400 m. This species grows to a maximum published total length of 14.5 cm (5.7 in).
The hairhead sculpin is a species of marine ray-finned fish belonging to the family Cottidae, the typical sculpins. It is the only species in the monospecific genus Trichocottus.
Triglops is a genus of marine ray-finned fishes belonging to the family Cottidae, the typical sculpins. These fishes are found in the North Pacific, Arctic and North Atlantic Oceans.
Batrachocottus is a genus of freshawater ray-finned fishes belonging to the family Cottidae, the typical sculpins. These fishes are endemic to the Lake Baikal watershed in Russia.
Cottocomephorus is a genus of freshwater ray-finned fishes belonging to the family Cottidae, the typical sculpins. This genus is endemic to Lake Baikal and its surrounding tributaries in Russia. They have relatively large pectoral fins and reach up to 22 cm in total length. They are an important food for the Baikal seal, during the winter second only to the golomyankas.
Kessler's sculpin is a species of Baikal sculpin, a freshwater fish native to Russia and Mongolia where it occurs in Lake Baikal and surrounding lakes as well as the Selenga, Angara and Bain Gol rivers. It is the only member of its genus. In Lake Baikal it occurs on sandy, rocky-sandy or sandy-muddy bottoms, ranging from relatively shallow water to depths of 70 m (230 ft). In rivers they mainly occur in slow-flowing channels and floodplains.
The bighead sculpin is a species of sculpin fish that is endemic to the Lake Baikal watershed in Siberia, Russia. It typically lives on rocky bottoms, often in places with sponges, at depths of 5 to 70 m (16–230 ft), but can occur as deep as 120 m (390 ft). Its colour varies from grayish to brownish or greenish depending on the bottom type. It can reach up to 22 cm (8.7 in) in length, but most are 13–16 cm (5.1–6.3 in). It feeds on a wide range of smaller animals such as young fish, insect larvae, amphipods, molluscs and oligochaetes. Breeding is in the spring where the female lays 618 to 1622 eggs, which are guarded by the male.
Enophrys diceraus, the antlered sculpin, is a species of marine ray-finned fish belonging to the family Cottidae, the typical sculpins. This species occurs in the northern Pacific Ocean.
