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Photo of a Albacore

Species profile

Albacore

Thunnus alalunga

Bony fishIUCN: Least Concern140 iNat observations

Identify Albacore (Thunnus alalunga) from a photo — free, unlimited, no sign-up — with the CatchRules iPhone app. Plus current fishing rules across 6 jurisdictions.

At a glance

Albacore (Thunnus alalunga) is an IUCN Least Concern bony-fish species regulated in 8 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

The strictest bag limit is 5 (Massachusetts); the most generous is 25 (California).

Confirmed by 26 research-grade iNaturalist observations, with California, Washington, and British Columbia the top jurisdictions by observation count.

Notable details

  • Albacore is the only tuna species whose meat can legally be labeled 'white meat' in the United States.
  • Their pectoral fins are exceptionally long, extending past the second dorsal fin — a key identification feature.
  • Albacore migrate thousands of miles across entire ocean basins following seasonal temperature gradients.
  • They can live up to 12 years and reach about 4 feet in length.
  • Like all tunas, albacore are endothermic, maintaining body temperatures warmer than the surrounding water.

Background

The albacore, known also as the albicore or longfin tuna, is a species of tuna of the order Scombriformes. It lives in temperate and tropical waters across the globe in the epipelagic and mesopelagic zones. There are six distinct stocks known globally in the Atlantic, Pacific, and Indian oceans, as well as in the Mediterranean Sea. The albacore has an elongate, fusiform body with a conical snout,…

Background excerpt adapted from Wikipedia's Albacore article (CC BY-SA). Visit Wikipedia for the full entry.

Frequently asked questions

What is Albacore?

Albacore (Thunnus alalunga) is an IUCN Least Concern bony-fish species regulated in 8 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

What is the scientific name for Albacore?

Albacore is Thunnus alalunga.

Is Albacore regulated for fishing?

Yes — Albacore has fishing regulations in 6 U.S. states and/or Canadian provinces tracked by CatchRules. See the "Jurisdictions with rules" section above for the binding-source links.

How can I identify Albacore?

Take a photo with the free CatchRules iPhone app — on-device identification recognizes Albacore along with ~1,500 other species. No sign-up, unlimited use.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.