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Gadus chalcogrammus  Pallas, 1814

Alaska pollock
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Image of Gadus chalcogrammus (Alaska pollock)
Gadus chalcogrammus
Picture by Archipelago Marine Research Ltd.


country information

Common names: Alaska-Pollack, Alaska-Seelachs, Mintai
Occurrence:
Salinity:
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information:
National Fisheries Authority:
Occurrences: Occurrences Point map
National Database: AGRDEU

Classificação / Names

Actinopterygii (peixes com raios nas barbatanas) > Gadiformes (Cods) > Gadidae (Cods and haddocks)
Nomes comuns | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Issue
This species is placed in the genus Gadus in Eschmeyer (CofF ver. Jan. 2012: Ref. 89336). More studies are needed for a complete revision of all genera of Gadidae.

Referência principal

Tamanho / Peso / Idade

Max length : 91.0 cm TL macho/indeterminado; (Ref. 2850); Peso máx. publicado: 3.9 kg (Ref. 56335); Idade máx. registada: 28 anos (Ref. 55701)

Length at first maturity
Lm 36.9  range ? - ? cm

Ambiente

; marinhas; estuarina bentopelágico; não migratória; intervalo de profundidade ? - 1280 m (Ref. 50550), usually 30 - 400 m (Ref. 54255)

Clima / Intervalo

Polar, preferred 5°C (Ref. 107945); 68°N - 34°N, 129°E - 120°W (Ref. 54255)

Distribuição

North Pacific: from Kivalina, Alaska, to the southern Sea of Japan and to Carmel, California, USA. The occurrence off the northern part of Baja California (Mexico), as reported from Quast and Hall, (1972) (Ref. 6876) is apparently erroneous.
Países | Áreas FAO | Ecossistemas | Ocorrências | Introduções

Descrição breve

Espinhos dorsais (total): 0; Raios dorsais moles (total): 38-48; Espinhos anais 0; Raios anais moles: 33 - 42. The dorsal fins are widely separated. The pelvic fins have a slightly elongated filament. The lateral line is continuous to about the back end of the first dorsal-fin base; it is interrupted at the read of the body. On the head are lateral line pores. Body color is olive green to brown on the back and becomes silvery on the sides and pale ventrally, often with mottled patterns or blotches.

Biologia     Glossário (ex. epibenthic)

The adults usually live near to the sea floor, but sometimes they also appear near the surface (Ref. 1371). They perform diurnal vertical migrations (Ref. 1371). They mainly feed on krill (Ref. 39882) but they also eat fishes and crustaceans (Ref. 6885). The adults which are spawning are often solely captured for their roe. The meat is used to produce surimi (this is an imitation of shellfish meat) (Ref. 28499). They are traded as fresh fish, boneless flesh, in frozen blocks or as surimi. The fish is cooked in the microwave, steamed or fried in butter (Ref. 9988).

Categoria na Lista Vermelha da IUCN (Ref. 115185)

Ameaça para o homem

  Harmless



Utilização humana

Pescarias: altamente comercial

Mais informação

Referências
Aquacultura
Perfil para aquacultura
Estirpes
Genética
Frequência dos alelos
Hereditariedade
Doenças
Processamento
Mass conversion
Colaboradores
Fotografias
Stamps, Coins
Sons
Ciguatera
Velocidade
Tipo de natação
Área branquial
Outras referências
Cérebros
Visão

Ferramentas

Relatórios especiais

Descarregue XML

Fontes da internet

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Nível Trófico (Ref. 69278)
3.6   ±0.1 se; Based on diet studies.

Resiliência (Ref. 69278)
Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Musick et al. 2000 (Ref. 36717); tmax = 28)

Vulnerabilidade (Ref. 59153)
Moderate vulnerability (37 of 100)
Categoria de preço (Ref. 80766)
Low