Black bullhead

The black bullhead (Ameiurus melas) is a North American freshwater catfish recognized by its dark body, broad head, and black chin barbels.

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Ameiurus: A genus of North American freshwater catfishes in the family Ictaluridae. The black bullhead is one of the genus’s species.
Osmoregulation: The regulation of water and dissolved salts within an organism. It allows the black bullhead to maintain internal balance across freshwater conditions.
Brown bullhead: A North American catfish, Ameiurus nebulosus, with mottled brown coloration and dark chin barbels. It resembles the black bullhead but usually has mottled sides and different chin-barbel coloring.
Recreational fishing: Fishing undertaken for recreation rather than commercial production. Anglers catch black bullheads for food and sport, especially in local waters.
Mississippi River: A major North American river flowing from Minnesota to the Gulf of Mexico. The river basin lies within the black bullhead’s native range.
Ictaluridae: A family of North American catfishes that includes bullheads, madtoms, and channel catfish. This family places the black bullhead among its close catfish relatives.
Turbidity: The cloudiness of water caused by suspended particles. The species can forage in murky water where vision is less useful.
Yellow bullhead: A North American catfish, Ameiurus natalis, commonly identified by pale chin barbels. Its light barbels sharply contrast with the black bullhead’s dark chin barbels.
Aquaculture: The farming of aquatic organisms for food or other products. Bullheads’ hardiness has made them candidates for fish culture, though they are less widely farmed than major food fishes.
Great Lakes: A group of five large freshwater lakes on the United States–Canada border. Black bullheads occur in suitable nearshore and inland waters of the region.