Thresher Shark
Alopias vulpinus
At a Glance
Avg Length
96"
Avg Weight
200 lbs
World Record
767 lbs
Habitat
Offshore Pelagic
About the Thresher Shark
Thresher Shark (Alopias vulpinus) inhabits offshore pelagic. Popular technique: trolling using trolling bait.
The Thresher Shark is one of the most recognizable saltwater species in North American waters, classified scientifically as <em>Alopias vulpinus</em>. It belongs to the Shark group, most commonly found in offshore pelagic 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 Thresher Shark runs 96 inches in length and weighs around 200 pounds, though fish in prime habitat regularly exceed these averages. The all-tackle world record stands at 767 lbs, set at Tutukaka, NZ, 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: Offshore Pelagic.
The Thresher Shark 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 Thresher Shark
Best bait: Trolling Bait.
Technique: 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 Thresher Shark weighed 767 lbs, caught at Tutukaka, NZ. 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 Thresher Shark, 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.
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