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Flathead Catfish

Scientific Name

Pylodictis olivaris (Rafinesque, 1819) (ITIS)

Common Name

Flathead catfish, yellow catfish, mud catfish, shovelhead catfish, johnnie cat, goujon, Opelousas catfish, flatbelly catfish, Mississippi catfish

Native To

Mississippi and Gulf drainages (Brown et al. 2005)

Date of U.S. Introduction

Stocked to non-native waters beginning in 1950s (Brown et al. 2005)

Means of Introduction

Intentionally stocked by anglers (NAS Database)


Preys on native fish populations (Brown et al. 2005)

Current U.S. Distribution

Western U.S.; Atlantic Coast

Flathead catfish

Flathead catfish


Photo by Eric Engbretson; U.S. Fish and Wildlife Service

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Distribution / Maps / Survey Status

Selected Resources

The section below contains highly relevant resources for this species, organized by source.

Federal Government
State and Local Government