Flatfish

Atlantic Halibut

Hippoglossus hippoglossus

4.0

At a Glance

Avg Length

60"

Avg Weight

80 lbs

World Record

418 lbs

Habitat

Deep Cold Atlantic

About the Atlantic Halibut

Atlantic Halibut (Hippoglossus hippoglossus). Found in Deep Cold Atlantic. Average length 60 in, weight 80.0 lbs. World record: 418.0 lbs (Tjeldsund, Norway).

The Atlantic Halibut is one of the most recognizable saltwater species in North American waters, classified scientifically as <em>Hippoglossus hippoglossus</em>. It belongs to the Flatfish group, most commonly found in deep cold atlantic 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 Atlantic Halibut runs 60 inches in length and weighs around 80 pounds, though fish in prime habitat regularly exceed these averages. The all-tackle world record stands at 418 lbs, set at Tjeldsund, Norway, 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: Deep Cold Atlantic.

The Atlantic Halibut 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 Atlantic Halibut

Best bait: Mackerel.

Technique: Deep Trolling.

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 Atlantic Halibut weighed 418 lbs, caught at Tjeldsund, Norway. 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 Atlantic Halibut, 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.