Environment: milieu / climate zone / depth range / distribution range
Ecología
marino bentopelágico; rango de profundidad 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.
Length at first maturity / Tamaño / Peso / Age
Maturity: Lm 26.2, range 21 - 32 cm
Max length : 66.0 cm TL macho / no sexado; (Ref. 5200); common length : 35.0 cm TL macho / no sexado; (Ref. 2805); peso máximo publicado: 2.0 kg (Ref. 4883)
Vértebra: 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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: escaso valor comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): -1.1 - 2.9, mean 1.5 °C (based on 50 cells).
Phylogenetic diversity index (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).
Nivel trófico (Ref.
69278): 3.2 ±0.2 se; based on diet studies.
Resiliencia (Ref.
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (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.