Common names from other countries

Джакас серый, Jackass morwong, Джакас, ... more

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

> Centrarchiformes (Basses) > Latridae (Trumpeters)
Etymology: Nemadactylus: Greek, nema, -atos = filament + Greek, daktylos = finger (Ref. 45335).
More on author: Forster.

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

marinhas demersal; intervalo de profundidade 22 - 450 m (Ref. 58489), usually 100 - 250 m (Ref. 3243). Subtropical; 27°S - 48°S, 62°W - 176°W

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

Indo-Pacific: St. Paul and Amsterdam islands in the Indian Ocean, southern Australia, including Tasmania, and New Zealand. Southwest Atlantic: southern South America.

Comprimento de primeira maturação / Tamanho / Peso / Idade

Maturity: L_m 30.0, range 25 - 35 cm
Max length : 70.0 cm TL macho/indeterminado; (Ref. 9563); common length : 35.0 cm TL macho/indeterminado; (Ref. 3243); peso máx. publicado: 2.9 kg (Ref. 6390); idade máx. registrada: 50 anos (Ref. 26998)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 17 - 18; Raios dorsais (total) : 25 - 28; Espinhos anais: 3; Raios anais : 14 - 15; Vértebras: 35. Adults have elongate upper pectoral-fin rays and are silvery with a broad black band from the nape to the pectoral-fin base (Ref. 33616).

Adults demersal on the continental shelf and upper slope (Ref. 9563) to depths of 450 m (Ref. 33616). Juveniles tend to live near shallow reefs (Ref. 6390). Postlarvae inhabit offshore waters and are found in surface waters at night (Ref. 9072). Average weight is 1800 g. Feed on polychaete worms, crustaceans, mollusks and echinoderms (Ref. 28626). Flesh is quite good eating. Often sold as tiki fillets.

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

Jackass morwong have an extended pelagic postlarval stage (Ref. 6390). Research in New Zealand has shown that metamorphosis to the juvenile stage occurs between 9 and 12 months after hatching (Ref. 28625).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993. Australian fisheries resources. Bureau of Resource Sciences, Canberra, Australia. 422 p. (Ref. 6390)

Status na Lista Vermelha da UICN (Ref. 130435)

Não avaliada

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

Harmless

Uso pelos humanos

Pescarias: espécies comerciais; peixe esportivo: sim

FAO(pescarias: produção; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 11.1 - 16, mean 14 (based on 71 cells).

Índice de diversidade filogenética (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01288 (0.00970 - 0.01710), b=3.03 (2.95 - 3.11), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Nível Trófico (Ref. 69278): 3.4 ±0.42 se; based on food items.

Resiliência (Ref. 120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (K=0.1-0.28; tm=3-6; Fec=100,000; tmax=50).

Prior r = 0.27, 95% CL = 0.18 - 0.40, Based on 2 full stock assessments.

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (50 of 100).

Climate Vulnerability (Ref. 125649): Low to moderate vulnerability (26 of 100).

Categoria de preço (Ref. 80766): High.

Nemadactylus macropterus (Forster, 1801)