The yellow bullhead, (Ameiurus natalis) is a species of bullhead catfish that is a ray-finned fish that lacks scales. This particular species is a medium sized member of the catfish family. It is typically yellow-olive to slatey-black on the back and sometimes mottled depending on habitat. The sides are lighter and more yellowish, while the underside of the head and body are bright yellow, yellow white, or bright white. The rear edge of its caudal fin is rounded. The anal fin is much larger than many fish having anywhere between 23 and 27 rays. The yellow bullhead though less common, can be easily distinguished from the brown bullhead and black bullhead by its white barbels or "whiskers".

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