Common names from other countries

Thon rouge du sud, Atún rojo del Sur, Southern bluefin, ... more

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

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

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

marinhas; oceanódromo (Ref. 51243); intervalo de profundidade 0 - 2743 m (Ref. 57178). Temperate; 5°C - 20°C (Ref. 168); 10°S - 60°S, 180°W - 180°E (Ref. 54921)

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Atlantic, Indian and Pacific: temperate and cold seas, mainly between 30°S and 50°S, to nearly 60°S. During spawning, large fish migrate to tropical seas, off the west coast of Australia, up to 10°S. Highly migratory species. If the current exploitation continues, the population will be below 500 mature individuals in 100 years (Ref. 27905).

Comprimento de primeira maturação / Tamanho / Peso / Idade

Maturity: L_m 122.0, range 120 - 130 cm
Max length : 245 cm FL macho/indeterminado; (Ref. 5203); common length : 160 cm FL macho/indeterminado; (Ref. 9684); peso máx. publicado: 260.0 kg (Ref. 5203); idade máx. registrada: 20 anos (Ref. 168)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Vértebras: 39. A very large species, deepest near the middle of the first dorsal fin base. Swim bladder present. Lower sides and belly silvery white with colorless transverse lines alternating with rows of colorless dots. The first dorsal fin is yellow or bluish; the anal fin and finlets are dusky yellow edged with black; the median caudal keel is yellow in adults.

By maturity, most southern bluefin tuna lead an oceanic, pelagic existence (Ref. 6390). Spawning fish and larvae are encountered in waters with surface temperatures between 20° and 30°C. An opportunistic feeder, preying on a wide variety of fishes, crustaceans, cephalopods, salps, and other marine animals. Mostly canned (Ref. 9684). A specialized fishery for sashimi-quality has been developed recently by New Zealand fishers. In Japan, it is highly prized for the sashimi markets.

Ciclo de vida ou comportamento de acasalamento Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

It is not known whether all mature fish spawn each year, every few years, or even only once in their lifetime (Ref. 30320).

Referência principal Upload your references | Referências | Coordenador : Collette, Bruce B. | Colaboradores

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)

Status na Lista Vermelha da UICN (Ref. 130435)

Em perigo (EN) (A1bd); Date assessed: 15 January 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

Harmless

Uso pelos humanos

Pescarias: espécies comerciais; Aquacultura: espécies comerciais; peixe esportivo: sim

FAO(Aquaculture systems: produção; pescarias: produção, perfil da espécie; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 2.5 - 7.9, mean 5 (based on 439 cells).

Índice de diversidade filogenética (Ref. 82804): PD₅₀ = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01288 (0.01067 - 0.01556), b=3.03 (2.99 - 3.07), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Nível Trófico (Ref. 69278): 3.9 ±0.53 se; based on food items.

Resiliência (Ref. 120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (K=0.14-0.15; tm=8-9; tmax=20; Fec=14 million).

Prior r = 0.27, 95% CL = 0.18 - 0.41, Based on 1 full stock assessment.

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (67 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (38 of 100).

Categoria de preço (Ref. 80766): Very high.

Thunnus maccoyii (Castelnau, 1872)