Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 6 - 429 m (Ref. 11892). Polar; 53°S - 67°S, 75°W - 75°E
Southern Ocean: Scotia Arc and Heard Island. Also distributed in the South Atlantic, near the southern Shetland, southern Sandwich, southern Orkney Islands, and near South Georgia Island (Ref. 4883).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 37.7  range ? - ? cm
Max length : 55.0 cm TL mannelijk / geslacht onbekend; (Ref. 5179); common length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 2121)
Dorsale stekels (totaal) : 6 - 8; Dorsale zachte stralen (totaal) : 31 - 34; Anale zachte stralen: 31 - 34. Upper part of head and body irregularly spotted and blotched. Rarely with traces of darker cross-bars, young with irregular cross-bars, broken up into three or four series of alternating spots (Ref. 11892).
Body shape (shape guide): fusiform / normal.
Mature females may spawn for the first time from around 6-8 years of age (Ref. 71843).
Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang
Tools
Speciale rapporten
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): -1.3 - 0.7, mean -0.6 °C (based on 36 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00344 - 0.00483), b=3.24 (3.19 - 3.29), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec=21,699; tm=10).
Kwetsbaarheid van de visserij (Ref.
59153): Moderate vulnerability (42 of 100).
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Kwetsbaarheid voor het klimaat (Ref.
125649): Moderate to high vulnerability (46 of 100).
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Voedingsstoffen (Ref.
124155): Calcium = 19.7 [11.5, 46.6] mg/100g; Iron = 0.384 [0.181, 0.754] mg/100g; Protein = 17.7 [15.5, 19.6] %; Omega3 = 0.329 [0.180, 0.572] g/100g; Selenium = 16.6 [7.0, 41.1] μg/100g; VitaminA = 12.4 [2.7, 59.6] μg/100g; Zinc = 0.497 [0.332, 0.747] mg/100g (wet weight); based on
nutrient studies.