Catfish

Flathead Catfish

Pylodictis olivaris

4.0

At a Glance

Avg Length

28"

Avg Weight

15 lbs

World Record

123 lbs

Habitat

Murky Rivers

About the Flathead Catfish

Flathead Catfish (Pylodictis olivaris). Found in Murky Rivers. Average length 28 in, weight 15.0 lbs. World record: 123.0 lbs (Elk City Reservoir, KS).

The Flathead Catfish is one of the most recognizable freshwater species in North American waters, classified scientifically as <em>Pylodictis olivaris</em>. It belongs to the Catfish group, most commonly found in murky rivers environments. Anglers target this species for both sport and table fare, and it appears across a broad range of water bodies throughout the United States.

A typical Flathead Catfish runs 28 inches in length and weighs around 15 pounds, though fish in prime habitat regularly exceed these averages. The all-tackle world record stands at 123 lbs, set at Elk City Reservoir, KS, making it a legitimate target for anglers chasing personal bests. Conservation status varies by region — check local regulations before keeping fish, as some waters have slot limits or catch-and-release requirements in place.

Habitat & Range

Primary habitat: Murky Rivers.

The Flathead Catfish thrives across a wide range of freshwater environments throughout North America. Seasonal movements are driven by water temperature — fish tend to move into shallower water during spring and fall feeding periods, and push deeper or seek cover during the heat of summer and cold of winter. Understanding these patterns is critical to locating fish consistently across the season.

How to Fish for Flathead Catfish

Best bait: Live Bluegill.

Technique: Night Fishing.

Match your presentation to the season and conditions. In clear water, downsize your bait and slow your retrieve. In stained or muddy water, switch to high-contrast colors and add vibration. Early morning and evening are the most productive windows during summer months. During spawning season, fish become highly territorial and will strike out of aggression as well as hunger.

World Record

The all-tackle world record Flathead Catfish weighed 123 lbs, caught at Elk City Reservoir, KS. This record represents the upper end of what this species achieves under ideal conditions. Most anglers targeting personal bests focus on proven trophy waters with the right combination of habitat, forage base, and light fishing pressure.

State Regulations

Regulations vary by state and water body. Before fishing for Flathead Catfish, verify current size limits, bag limits, and open seasons with your state fish and wildlife agency. Check your state's fishing license requirements and season dates at the FishLog Fishing License guide.