Main Page | See live article | Alphabetical index Flathead catfish, Pylodictis olivaris, also called the yellow cat, opelousas, mud cat and shovelhead cat, flathead catfish are large Ictualurid catfish found in the southern United States. The native range includes a broad area west of the Appalachian Mountains encompassing large rivers of the Mississippi, Missouri, and Ohio basins. The range extends as far north as North Dakota, as far west as New Mexico, and south to the Gulf including eastern Mexico. Flathead catfish are most closely related to the Satan genus of fish. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.