Yellowfin Tuna
Saltwater

Yellowfin Tuna

Thunnus albacares · Scombridae

Also known as: Ahi, Allison tuna

A powerful pelagic speedster prized by offshore anglers for blistering runs and deep, dogged fights.

Typical size
10–40 kg (20–90 lb)
Max size
Can exceed 180 kg (400 lb) in prime grounds.
Water
Saltwater
Best season
Warm-water months; follow bird activity, bait, and floating debris.

Identification

Torpedo-shaped, metallic blue above and yellow along the flanks, with long bright-yellow sickle-shaped second dorsal and anal fins in mature fish.

Habitat & Range

Warm offshore waters, often near temperature breaks and floating structure.

Tropical and subtropical oceans worldwide, in the open pelagic zone.

Diet & Feeding

Fast-swimming predator taking baitfish, squid, and crustaceans.

Spawning & Reproduction

Batch spawner in warm water, releasing eggs into the open ocean year-round in the tropics; no parental care.

How to Catch

Hunt birds, dolphins, and weed lines. Yellowfin fight deep and hard — use a harness and apply steady, heavy pressure.

Best techniques

  • Trolling
  • Live-bait chunking
  • Vertical jigging
  • Kite fishing

Lures & baits

  • Ballyhoo & skirted lures
  • Live sardines/pilchards
  • Vertical jigs
  • Poppers

Best season: Warm-water months; follow bird activity, bait, and floating debris.