Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas demersal; intervalo de profundidade 0 - 680 m (Ref. 50550), usually ? - 80 m (Ref. 43939). Temperate
North Pacific: Chukchi Sea to Bearing Sea, eastern Aleutian Is., and Gulf of Alaska to Kachemak Bay, Cook Inlet; SE Alaska at Limestone Inlet; to Okhotsk and Japan seas as far as northern North Korea.
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm 47.0, range 43 - 51 cm
Max length : 74.0 cm TL macho/indeterminado; (Ref. 56527); peso máx. Publicado: 8.0 kg (Ref. 56527)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 8 - 10; Raios dorsais moles (total) : 14 - 17; Espinhos anais: 0; Raios anais moles: 13 - 15. Head depressed, with bony spines and ridges dorsally (Ref. 559). Rounded bony plates bearing serrated margin present on dorsolateral surface of body (Ref. 559).
Found in shallow waters (Ref. 2850), on sand and mud bottoms from intertidal zone to depths often not greater than 80 m; seldom caught deeper than 150 m (Ref. 43939).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson, 2002. Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): -0.4 - 6.9, mean 2.4 °C (based on 1768 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00371 - 0.01290), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nível Trófico (Ref.
69278): 4.1 ±0.3 se; based on diet studies.
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Assuming Fec=10-100).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
