Freshwater · Ictaluridae

Flathead Catfish

Pylodictis olivaris

Flathead catfish is a large, solitary river predator distinguished by a broad flattened head, a protruding lower jaw, and a squared tail.

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Flathead catfish (Pylodictis olivaris) showing broad flat head and mottled body
Photo: U.S. Fish & Wildlife Service (public domain)
Weight3 - 123 lbs
Length18" - 61"
HabitatRiver, Reservoir, Lake
MoreFull Species Details
Species Name
Pylodictis olivaris
Family
Ictaluridae
Order
Siluriformes
Also Known As
Flathead, Yellow cat, Mud cat, Shovelhead cat

Flathead Catfish (Pylodictis olivaris) Fish Description

Flathead catfish is a large, solitary river predator distinguished by a broad flattened head, a protruding lower jaw, and a squared tail.

The body is long and muscular, mottled yellow-brown to olive over a pale, often cream-colored belly, with a broad, strikingly flat head. The lower jaw juts past the upper, and the tail is squared or only slightly notched, unlike the deeply forked tails of the blue and channel catfish. Barbels ring the wide mouth, and the eyes are small and set high. Coloration varies from bright yellow in clear water to dark mottled brown in stained rivers. The flat head, jutting jaw, and squared tail together identify the species at a glance and set it apart from other catfish.

Flathead catfish is native to the Mississippi, Missouri, and Ohio river basins and the Gulf coastal rivers. The species has been introduced beyond its range, where as an aggressive predator it can disrupt native fish populations. Flathead catfish are solitary hunters that hold in deep holes, log jams, and cover during the day and roam to feed at night. Anglers pursue the species for its enormous size and powerful fight, and for its distinctive preference for live prey, which makes targeting flatheads a specialized pursuit centered on live bait fished near cover.

Interesting Facts About Flathead Catfish

Show more facts
  • Males guard the nest and fan the eggs until the young hatch.
  • Flathead catfish are solitary and rarely gather in groups like other catfish.
  • The species holds in cover by day and roams to feed after dark.
  • Introduced flatheads can severely reduce native fish where they are stocked.
  • The broad flat head and jutting lower jaw give the species its name.
  • Young flathead catfish appear bright yellow, darkening with age and water color.
  • Trophy flatheads over 50 pounds are prized and often released alive.

Average Speed & Size

Flathead catfish is a powerful, ambush-oriented swimmer that typically reaches 20 to 40 inches and 5 to 30 pounds. Trophy fish exceed 50 inches and 70 pounds, with the record near 123 pounds. The species holds near cover and moves deliberately, then lunges to seize live prey in a short, powerful strike. Flatheads do not roam far by day, but they hunt actively at night. Once hooked, a big flathead fights with immense, stubborn power, using its bulk to bulldog back toward the log jams and holes it calls home.

Where to Find Them

Flathead catfish is found in large rivers, reservoirs, and their deep holes across the central and southern United States. The species holds by day in the deepest cover it can find: log jams, undercut banks, submerged timber, and rock piles. Flathead catfish favor warm water and slow to moderate current, moving out of cover to hunt over flats and channel edges after dark. Solitary by nature, each fish claims its own prime lie. Flathead catfish are largely absent from cold headwater streams and clear northern lakes, needing warm, structured river habitat.

Flathead Catfish Fishing Tips

Flathead catfish fishing is a specialized night pursuit built almost entirely around live bait fished near heavy cover. Success comes from placing a lively bait close to the log jams and holes where big flatheads hold and waiting for them to move.

Equipment

Use a heavy 7-foot-6 to 8-foot rod paired with a strong reel spooled with 30- to 80-pound braid and an abrasion-resistant leader. The heavy tackle is essential to pull a large fish out of the timber and cover where flatheads live. A powerful rod and strong drag let anglers turn a hooked flathead before it wraps the line around submerged wood.

Chumming

Chumming is far less effective for flathead catfish, which prefer live prey and hunt by ambush rather than scent-trailing to cut bait. Anglers instead position lively baits precisely against cover where flatheads hold. Rather than drawing fish with chum, success depends on placing bait in the fish's ambush zone and letting it work.

Bait

Live baitfish such as bluegill, bullheads, and large shad are by far the top choices, since flatheads favor live prey. Lively, hardy baits fished near cover consistently outproduce cut or prepared baits.

Patience

Flathead catfish are solitary and hunt mainly at night, so anglers set live baits near cover and wait, often for hours, for a single big fish. Fishing after dark near heavy structure rewards patience and persistence.

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