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)
Distribution / Maps / Survey Status
The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Flathead Catfish.
DOI. Fish and Wildlife Service.
See also: Ecological Risk Screening Summaries for more species summaries
Smithsonian Institution. Smithsonian Environmental Research Center. Marine Invasions Research Lab.
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 Sep 10, 2014].
Nonindigenous Aquatic Species Database. Fact Sheet - Flathead Catfish. USGS, Gainesville, FL. [Accessed May 6, 2021].