Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 0 - 475 m. Polar; 53°S - 73°S, 179°W - 24°W
Southern Ocean: known from the islands of the Scotia Sea and the northern part of the Antarctic Peninsula to Scott Island.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 43.6, range 44 - 50 cm
Max length : 60.0 cm TL mannelijk / geslacht onbekend; (Ref. 5200); common length : 50.0 cm TL mannelijk / geslacht onbekend; (Ref. 2805); max. gepubliceerd gewicht: 2.1 kg (Ref. 50743)
Wervels: 54 - 55.
Body shape (shape guide): fusiform / normal.
Adults feed mainly on krill and fish. Synchronous spawner (Ref. 50743).
Iwami, T. and K.-H. Kock, 1990. Channichthyidae. p. 381-389. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5200)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): -1.3 - 1.2, mean -0.1 °C (based on 18 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00296 - 0.01410), b=3.17 (2.97 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.1 se; based on diet studies.
Generation time: 4.5 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.24; tm=4; Fec = 4,666).
Kwetsbaarheid van de visserij (Ref.
59153): Moderate to high vulnerability (47 of 100).
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Kwetsbaarheid voor het klimaat (Ref.
125649): High to very high vulnerability (73 of 100).
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Voedingsstoffen (Ref.
124155): Calcium = 23.2 [14.6, 53.2] mg/100g; Iron = 0.503 [0.205, 0.955] mg/100g; Protein = 17.8 [16.2, 19.5] %; Omega3 = 0.358 [0.209, 0.605] g/100g; Selenium = 17.6 [7.7, 37.3] μg/100g; VitaminA = 12.6 [2.9, 55.6] μg/100g; Zinc = 0.374 [0.259, 0.557] mg/100g (wet weight);