Pylodictis olivaris (Rafinesque, 1819) (ITIS)
Flathead catfish, yellow catfish, mud catfish, shovelhead catfish, johnnie cat, goujon, Opelousas catfish, flatbelly catfish, Mississippi catfish
Mississippi and Gulf drainages (Brown et al. 2005)
Stocked to non-native waters beginning in 1950s (Brown et al. 2005)
Intentionally stocked by anglers (NAS Database)
Preys on native fish populations (Brown et al. 2005)
Western U.S.; Atlantic Coast
Distribution / Maps / Survey Status
The section below contains highly relevant resources for this species, organized by source.
State and Local Government
Brown, J.J., J. Perillo, T.J. Kwak, and R.J. Horwitz. 2005. Implications of Pylodictis olivaris (flathead catfish) introduction into the Delaware and Susquehanna drainages. Northeastern Naturalist 12(4):473-484.
Integrated Taxonomic Information System. Pylodictis olivaris. [Accessed Aug 31, 2023].
Nonindigenous Aquatic Species Database. Fact Sheet - Flathead Catfish. USGS, Gainesville, FL. [Accessed Aug 31, 2023].