Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien benthopelagisch; diepte 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.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 26.2, range 21 - 32 cm
Max length : 66.0 cm TL mannelijk / geslacht onbekend; (Ref. 5200); common length : 35.0 cm TL mannelijk / geslacht onbekend; (Ref. 2805); max. gepubliceerd gewicht: 2.0 kg (Ref. 4883)
Wervels: 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 op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): -1.1 - 2.9, mean 1.5 °C (based on 50 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.2 ±0.2 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.13-0.39; tmax=13; tm=4; Fec=3,094).
Prior r = 0.39, 95% CL = 0.24 - 0.64, Based on 2 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.