There are many common names for the bullhead. They are called the Black Bullhead, the Brown Bullhead, and the Yellow Bullhead. Bullheads can live from 1-10 years old. They can grow from 3 inches to 13.5 inches. Because Bullheads have very few predators they can survive in many areas that other fish can’t. Bullheads also quickly overpopulate an area. Bullheads favorite condition is warm water. The bullhead is a native fish. And finally the bullhead is a bottom feeder.