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Thunnus orientalis (Temminck & Schlegel, 1844)

Pacific bluefin tuna
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Native range | All suitable habitat | Point map | Year 2050
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Thunnus orientalis   AquaMaps   Data sources: GBIF OBIS
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Image of Thunnus orientalis (Pacific bluefin tuna)
Thunnus orientalis
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Common names from other countries

Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Thunnus: Greek, thynnos = tunna (Ref. 45335).
  More on authors: Temminck & Schlegel.

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

marino; salmastro; oceanodromo (Ref. 51243); distribuzione batimetrica 1 - 550 m (Ref. 58302).   Subtropical; 61°N - 52°S, 99°E - 70°W

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

North Pacific: Gulf of Alaska to southern California and Baja California and from Sakhalin Island in the southern Sea of Okhotsk south to northern Philippines. There are four substantiated records of this subspecies in the southern hemisphere: off Western Australia, southeast Pacific (37°11'S, 114°41'W) and Gulf of Papua (Ref. 10997). The species occurs mainly in the northern Pacific but ventures into New Zealand waters for at least three months during spring and early summer (Ref. 83312).

Size / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 300 cm FL maschio/sesso non determinato; (Ref. 9340); common length : 200 cm FL maschio/sesso non determinato; (Ref. 9340); peso massimo pubblicato: 450.0 kg (Ref. 47525); Età massima riportata: 15 anni (Ref. 83312)

Short description Morfologia | Morfometria

Mean number of gill rakers 35.9. First ventrally directed parapophysis on vertebra number 8. Dorsal wall of body cavity has a narrow bulge with lateral concavity and wide lateral trough. Caudal keels dark.

Biologia     Glossario (es. epibenthic)

Epipelagic, usually oceanic, but seasonally coming close to shore (Ref. 168). Tolerates ample temperature intervals (Ref. 168). Forms schools by size, sometimes with other scombrids (Ref. 168). Migrates between June and September in a northward direction along the coast of Baja California, Mexico and California (Ref. 168). A voracious predator that feeds on a wide variety of small schooling fishes and squids, also on crabs crabs and to a lesser degree on sessile organisms (Ref. 168). Marketed fresh and frozen.

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore : Collette, Bruce B. | Collaboratori

Collette, B.B., 1995. Scombridae. Atunes, bacoretas, bonitos, caballas, estorninos, melva, etc. p. 1521-1543. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9340)

IUCN Red List Status (Ref. 130435)

  Near Threatened (NT) (A2bd); Date assessed: 15 January 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses


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