Catfish

Gafftopsail Catfish

Bagre marinus

3.8

At a Glance

Avg Length

18"

Avg Weight

5 lbs

World Record

10 lbs

Habitat

Gulf/Atlantic Coastal Waters

About the Gafftopsail Catfish

Gafftopsail Catfish (Bagre marinus). Found in Gulf/Atlantic Coastal Waters. Average length 18 in, weight 5.0 lbs. World record: 10.0 lbs (Gulf of Mexico).

The Gafftopsail Catfish is one of the most recognizable saltwater species in North American waters, classified scientifically as <em>Bagre marinus</em>. It belongs to the Catfish group, most commonly found in gulf/atlantic coastal waters 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 Gafftopsail Catfish runs 18 inches in length and weighs around 5 pounds, though fish in prime habitat regularly exceed these averages. The all-tackle world record stands at 10 lbs, set at Gulf of Mexico, 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: Gulf/Atlantic Coastal Waters.

The Gafftopsail Catfish thrives across a wide range of saltwater 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 Gafftopsail Catfish

Best bait: Shrimp.

Technique: Bottom.

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 Gafftopsail Catfish weighed 10 lbs, caught at Gulf of Mexico. 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 Gafftopsail 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.