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Black Jack
Rare

Black Jack

Caranx lugubris

The Black Jack is a large, powerful member of the jack family with a distinctive dark coloration that becomes more pronounced with age. They are aggressive predators known for their strong fighting ability.

The record

Black Jack at a glance

Scientific name
Caranx lugubris
Typical size
24-36 inches, 15-40 lbs
Water
Saltwater
Habitat
Offshore
Rarity in the Fishdex™
Rare
Where it lives

Habitat

Black Jacks are primarily found in deep offshore waters around seamounts, drop-offs, and continental shelves in tropical and subtropical waters. Anglers typically target them with live bait or heavy jigs when fishing deep water structure, often encountering them while fishing for other pelagic species.

Catch one and it is yours

Log a black jack through the Cobia Camera and this entry fills in with your photo, your personal best, and the exact conditions on the day. The app also carries the slot and season rules for wherever you are standing.

How the Fishdex™ works
Questions

Black Jack questions people ask

Black Jack is Caranx lugubris.

A typical black jack runs 24-36 inches, 15-40 lbs. Cobia records the length and weight of every black jack you log and keeps your personal best on its Fishdex entry.

Black Jacks are primarily found in deep offshore waters around seamounts, drop-offs, and continental shelves in tropical and subtropical waters. Anglers typically target them with live bait or heavy jigs when fishing deep water structure, often encountering them while fishing for other pelagic species. It is a salt water species, filed under offshore in the Fishdex.

Yes. Log one through the Cobia Camera and this entry fills in with your own photo, your personal best, and the conditions on the day you caught it. The app also carries the slot limits and season dates for wherever you are standing. It is free.

Free on iPhone

Tomorrow morning starts tonight

Set your home water, pick a drive radius, and wake up to a plan.

Download Cobia on the App Store Android coming soon

iPhone, iOS 17 or later. Setup takes about a minute.