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

Albacore
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Native range | All suitable habitat | Point map | Year 2100
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Thunnus alalunga   AquaMaps   Data sources: GBIF OBIS
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Image of Thunnus alalunga (Albacore)
Thunnus alalunga
Picture by Archambault, C.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | 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 Ökologie

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

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | 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 / Size / Gewicht / Alter

Maturity: Lm 85.0, range 85 - ? cm
Max length : 140 cm FL Männchen/unbestimmt; (Ref. 3669); common length : 100.0 cm FL Männchen/unbestimmt; (Ref. 9684); max. veröff. Gewicht: 60.3 kg (Ref. 40637); max. veröff. Alter: 9 Jahre (Ref. 72462)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 11 - 14; Rückenflossenweichstrahlen (insgesamt): 12-16; Afterflossenstacheln 0; Afterflossenweichstrahlen: 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     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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.

Hauptreferenz Upload your references | Referenzen | Koordinator : Collette, Bruce B. | Partner

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)

IUCN Rote Liste Status (Ref. 125652)

  nicht bedroht (LC) ; Date assessed: 15 January 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: hoch kommerziell; Sportfisch: ja
FAO - Fischereien: landings, Artbeschreibung; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 123201): 8.8 - 21.2, mean 15.1 °C (based on 784 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.01490 - 0.02222), b=3.00 (2.96 - 3.04), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (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.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (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).
Preiskategorie (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.