Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 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).
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 37.7  range ? - ? cm
Max length : 55.0 cm TL hane/ej könsbestämd; (Ref. 5179); common length : 40.0 cm TL hane/ej könsbestämd; (Ref. 2121)
Taggstrålar i ryggfenan (totalt) : 6 - 8; Mjukstrålar i ryggfenan (totalt) : 31 - 34; Mjukstrålar i analfenan: 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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): -1.3 - 0.7, mean -0.6 °C (based on 36 cells).
Index för fylogenetisk mångfald (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).
Trofisk nivå (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec=21,699; tm=10).
Sårbarhet i fisket (Ref.
59153): Moderate vulnerability (42 of 100).
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Sårbarhet för klimatet (Ref.
125649): Moderate to high vulnerability (46 of 100).
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Näringsämnen (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.