The Yellow Bullhead (Ameiurus natalis) is a species of catfish native to the eastern and central United States. They usually reach about 12 inches in length and have a yellowish-brown b... The Yellow Bullhead (Ameiurus natalis) is a species of catfish native to the eastern and central United States. They usually reach about 12 inches in length and have a yellowish-brown body with a rounded tail. Yellow Bullheads are bottom dwellers, feeding on a mix of plants, insects, small fish, and detritus. They are known for their hardiness and are often found in muddy or vegetated waters.Click here to read more about Yellow Bullhead.