The Black Bullhead (Ameiurus melas) is a freshwater catfish native to North American waters. It is characterized by its dark, mottled coloration and stout body, typically reaching lengt... The Black Bullhead (Ameiurus melas) is a freshwater catfish native to North American waters. It is characterized by its dark, mottled coloration and stout body, typically reaching lengths of up to 14 inches. Black Bullheads are bottom dwellers, thriving in murky, slow-moving waters like ponds and streams. They are omnivorous, feeding on insects, plants, and small fish. Due to their hardiness and adaptability, they are often found in environments with low oxygen levels.Click here to read more about Black Bullhead.