Cottus microstomus

Cottus microstomus is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is found in Eastern Europe and is widespread in the Dniester drainage (Black Sea basin), Odra and Vistula drainages (southern Baltic basin), most likely extending further east to the Gulf of Finland.^[2] It is part of the wider European Cottus gobio complex, and possibly makes hybrid zones with Cottus gobio (European bullhead) and Cottus koshewnikowi.^[1] It is a demersal fish, up to 10.1 cm long.

Cottus microstomus
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Suborder:	Cottoidei
Family:	Cottidae
Genus:	Cottus
Species:	C. microstomus
Binomial name
Cottus microstomus Heckel, 1837