Brown bullhead (Ameiurus nebulosus)

General data
- Main name: Brown bullhead
- Climates: Subtropical, Temperate, Continental
- Habitat: Freshwater
- Native: North America
- Introduced: Europe, Asia
- Distribution: Danube, Dnieper, Mississippi River, St. Lawrence River, Potomac, St. Johns River, View all... Klamath River, Delaware River, Connecticut River, Savannah river, Lake Washington, Roanoke River
Classification
- Genus: Ameiurus - Bullheads
- Family: Ictaluridae - North American freshwater catfishes
- Order: Siluriformes - Catfishes
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes