Australian

Mangrove Jack

Lutjanus argentimaculatus

3.9

At a Glance

Avg Length

24"

Avg Weight

15 lbs

World Record

38.6 lbs

Habitat

Mangroves, Reefs Australia

About the Mangrove Jack

Mangrove Jack (Lutjanus argentimaculatus). Found in Mangroves, Reefs Australia. Average length 24 in, weight 15.0 lbs. World record: 38.6 lbs (Queensland).

The Mangrove Jack is one of the most recognizable saltwater species in North American waters, classified scientifically as <em>Lutjanus argentimaculatus</em>. It belongs to the Australian group, most commonly found in mangroves, reefs australia 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 Mangrove Jack runs 24 inches in length and weighs around 15 pounds, though fish in prime habitat regularly exceed these averages. The all-tackle world record stands at 38.6 lbs, set at Queensland, 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: Mangroves, Reefs Australia.

The Mangrove Jack 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 Mangrove Jack

Best bait: Live Bait.

Technique: Heavy Leader.

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 Mangrove Jack weighed 38.6 lbs, caught at Queensland. 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 Mangrove Jack, 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.