Thunnus alalunga, Albacore : fisheries, gamefish
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Thunnus alalunga (Bonnaterre, 1788)

Albacore
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Thunnus alalunga
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Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Thunnus: Greek, thynnos = tunna (Ref. 45335).
More on author: Bonnaterre.

Environment: milieu / climate zone / depth range / distribution range Écologie

; marin; océanodrome (Ref. 51243); profondeur 0 - 600 m (Ref. 168). Subtropical; 10°C - 25°C (Ref. 168); 60°N - 50°S, 180°W - 180°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Cosmopolitan in tropical and temperate waters of all oceans including the Mediterranean Sea but not at the surface between 10°N and 10°S. Western Pacific: range extend in a broad band between 40°N and 40°S (Ref. 9684). Often confused with juvenile Thunnus obesus which also have very long pectorals but with rounded tips. Highly migratory species, Annex I of the 1982 Convention on the Law of the Sea (Ref. 26139).

Length at first maturity / Taille / Poids / Âge

Maturity: Lm 85.0, range 85 - ? cm
Max length : 140 cm FL mâle / non sexé; (Ref. 3669); common length : 100.0 cm FL mâle / non sexé; (Ref. 9684); poids max. publié: 60.3 kg (Ref. 40637); âge max. reporté: 9 années (Ref. 72462)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 11 - 14; Rayons mous dorsaux (Total): 12-16; Épines anales 0; Rayons mous anaux: 11 - 16. Anterior spines much higher than posterior spines giving the fin a strongly concave outline. Interpelvic process small and bifid. Body with very small scales. Pectoral fins remarkably long, about 30% of fork length or longer in 50 cm or longer fish. Ventral surface of liver striated and the central lobe is largest.

Biologie     Glossaire (ex. epibenthic)

An epipelagic and mesopelagic, oceanic species, abundant in surface waters of 15.6° to 19.4°C; deeper swimming, large albacore are found in waters of 13.5° to 25.2°C; temperatures as low as 9.5°C may be tolerated for short periods (Ref. 168). Known to concentrate along thermal discontinuities (Ref. 168). Form mixed schools with skipjack tuna (Katsuwonus pelamis), yellowfin tuna (Thunnus albacares) and bluefin tuna (T. maccoyii), schools may be associated with floating objects, including sargassum weeds (Ref. 168). Feed on fishes, crustaceans and squids. Eggs and larvae are pelagic (Ref. 6769). Sexual maturity reached at 90 cm (Ref. 36731). Highly appreciated and marketed fresh, smoked, deep frozen or canned. Eaten steamed, broiled, fried and microwaved (Ref. 9987). Also Ref. 1762, 1798, 1804. Angling: Largely caught offshore, where the waters are mild and blue. Albacore favor those areas where cooler water interfaces with warmer water. They are caught with live of dead baitfish such as mullet, sauries, squid, herring, anchovies, sardines, and other small fish. Albacore strike hard and make powerful runs (Ref. 84357).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

The sex ratio in catches is about 1:1 for immature individuals, but males predominate among mature fishes, which is possibly due to both differential mortality of sexes and differential growth rate after maturity.

Référence principale Upload your references | Références | Coordinateur : Collette, Bruce B. | Collaborateurs

Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)

Statut dans la liste rouge de l'IUCN (Ref. 125652)

  Préoccupation mineure (LC) ; Date assessed: 15 January 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: hautement commercial; pêche sportive: oui
FAO - pêcheries: landings, Résumé espèce; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

Plus d'informations

Noms communs
Synonymes
Métabolisme
Prédateurs
Écotoxicologie
Reproduction
Maturité
Frai
Rassemblement de ponte
Fécondité
Œufs
Développement de l'œuf
Références
Aquaculture
Profil d'aquaculture
Souches
Génétique
Fréquences alléliques
Héritabilité
Pathologies
Traitement
Nutrients
Mass conversion
Collaborateurs
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Sons
Ciguatera
Vitesse
Type de nage
Surface branchiale
Otolithes
Cerveaux
Vision

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Estimates based on models

Preferred temperature (Ref. 115969): 8.8 - 21.2, mean 15.1 °C (based on 784 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.01470 - 0.02151), b=3.00 (2.96 - 3.04), in cm total length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278):  4.3   ±0.2 se; based on diet studies.
Generation time: 6.4 (4.8 - 7.8) years. Estimated as median ln(3)/K based on 34 growth studies.
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.13-0.18; tm=4-6; tmax=10; Fec=2 million).
Prior r = 0.52, 95% CL = 0.34 - 0.78, Based on 7 stock assessments.
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (71 of 100) .
Climate Vulnerability (Ref. 125649):  Moderate vulnerability (42 of 100) .
Catégorie de prix (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 38.9 [21.7, 68.8] mg/100g ; Iron = 4.05 [1.58, 9.45] mg/100g ; Protein = 23.9 [22.5, 25.3] % ; Omega3 = 0.453 [0.298, 0.709] g/100g ; Selenium = 45.2 [15.0, 143.3] μg/100g ; VitaminA = 49.1 [3.5, 566.3] μg/100g ; Zinc = 0.473 [0.262, 0.961] mg/100g (wet weight); based on nutrient studies.