Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas bentopelágico; intervalo de profundidade 0 - 700 m (Ref. 11892), usually 30 - 250 m (Ref. 11892). Polar; 48°S - 66°S, 65°W - 77°E
Southern Ocean: Islands of the Scotia Sea, including the northern part of Antarctic Peninsula; Kerguelen, Heard and Bouvet islands.
Comprimento de primeira maturação / Tamanho / Peso / Idade
Maturity: Lm 26.2, range 21 - 32 cm
Max length : 66.0 cm TL macho/indeterminado; (Ref. 5200); common length : 35.0 cm TL macho/indeterminado; (Ref. 2805); peso máx. publicado: 2.0 kg (Ref. 4883)
Vértebras: 59 - 62.
Feed mainly on krill and mysids. Spawn in autumn and winter (Ref. 50743). Synchronous spawner (Ref. 50743). Larval pelagic phase is long (Ref. 71843). Utilized as a food fish (Ref. 4931).
Hureau, J.-C., 1985. Channichthyidae. p. 261-277. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2. (Ref. 2805)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: pouco comercial
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): -1.1 - 2.9, mean 1.5 °C (based on 50 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00117 (0.00100 - 0.00138), b=3.47 (3.42 - 3.52), in cm total length, based on LWR estimates for this species (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.2 se; based on diet studies.
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (K=0.13-0.39; tmax=13; tm=4; Fec=3,094).
Prior r = 0.39, 95% CL = 0.26 - 0.59, Based on 2 data-limited stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (35 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (68 of 100).
Nutrients (Ref.
124155): Calcium = 20.5 [11.1, 44.8] mg/100g; Iron = 0.388 [0.165, 0.801] mg/100g; Protein = 16.9 [14.8, 18.9] %; Omega3 = 0.222 [0.107, 0.473] g/100g; Selenium = 25.9 [9.2, 64.1] μg/100g; VitaminA = 13.8 [2.8, 70.5] μg/100g; Zinc = 0.409 [0.265, 0.626] mg/100g (wet weight); based on
nutrient studies.