The flathead catfish is also known as the yellow cat, mud cat, Johnnie cat, goujon, appaluchion, opelousas, pied cat and Mississippi cat. In dialect of the Ozark mountains it may be referred to as a "granny cat." See more

The flathead catfish is olive colored on its sides and dorsum, with a white to yellow underside. Individuals, particularly young specimens from clearer waters, may be strongly mottled with dark brown to black color. The eyes are small and the lower jaw prominently … See more

The flathead catfish prefers live prey. It is a voracious carnivore and feeds primarily on fishes, insects, annelid worms, and crustaceans. … See more

Diel movement is the migration of an animal during a 24-hour period. Flathead catfish have a change in their diel movement … See more

The native range of the flathead catfish 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 Canada, as far west as Texas, and south to the See more

Spawning of P. olivaris occurs in late June and early July, and the nests are made in areas with submerged logs and other debris. The males, … See more

• List of fish common names See more