Offshore

Almaco Jack (Pacific)

Seriola rivoliana

3.9

At a Glance

Avg Length

30"

Avg Weight

20 lbs

World Record

132 lbs

Habitat

Pacific Offshore Reefs

About the Almaco Jack (Pacific)

Almaco Jack (Pacific) (Seriola rivoliana). Found in Pacific Offshore Reefs. Average length 30 in, weight 20.0 lbs. World record: 132.0 lbs (Baja California).

The Almaco Jack (Pacific) is one of the most recognizable saltwater species in North American waters, classified scientifically as <em>Seriola rivoliana</em>. It belongs to the Offshore group, most commonly found in pacific offshore reefs 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 Almaco Jack (Pacific) runs 30 inches in length and weighs around 20 pounds, though fish in prime habitat regularly exceed these averages. The all-tackle world record stands at 132 lbs, set at Baja California, 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: Pacific Offshore Reefs.

The Almaco Jack (Pacific) 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 Almaco Jack (Pacific)

Best bait: Jigs.

Technique: Jigging.

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 Almaco Jack (Pacific) weighed 132 lbs, caught at Baja California. 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 Almaco Jack (Pacific), 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.