European bullhead (Cottus gobio)

General data
- Main name: European bullhead
- Climates: Temperate, Continental, Mountain
- Habitat: Freshwater
- Native: Europe
- Distribution: Danube, Don, Rhine, Daugava (Western Dvina), Northern Dvina, Neman (Nemunas), View all... Lielupe, Venta, Trent, Great Ouse
Classification
- Genus: Cottus - Bullheads
- Family: Cottidae - Cottids
- Order: Scorpaeniformes - Mail-cheeked fishes
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes