Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser; tiefenbereich 0 - 2200 m (Ref. 90824), usually 88 - 1600 m (Ref. 5179). Polar; 45°S - 78°S, 180°W - 180°E
Southern Ocean: circumpolar coastal Antarctic broadly to the Convergence (Ref. 11892). Endemic to the seas around Antarctica (Ref. 5179).
Length at first maturity / Size / Gewicht / Alter
Maturity: Lm 133.2  range ? - ? cm
Max length : 200 cm TL Männchen/unbestimmt; (Ref. 90825); common length : 127 cm TL Männchen/unbestimmt; (Ref. 90825); max. veröff. Gewicht: 80.0 kg (Ref. 5179); max. veröff. Alter: 39 Jahre (Ref. 88081)
Rückenflossenstacheln (insgesamt): 8 - 9; Rückenflossenweichstrahlen (insgesamt): 25-27; Afterflossenweichstrahlen: 25 - 26. Uniformly brownish, with 4 irregular and incomplete dark cross-bars and with some dark spots (Ref. 11892).
Larval pelagic phase is long (Ref. 89402).
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)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell
Mehr Information
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Estimates based on models
Preferred temperature (Ref.
123201): -1.5 - 1.3, mean 0.2 °C (based on 411 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00302 - 0.00758), b=3.18 (3.04 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.59 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.056; Fec=400,000).
Prior r = 0.28, 95% CL = 0.16 - 0.49, Based on 1 stock assessment.
Fishing Vulnerability (Ref.
59153): Very high vulnerability (81 of 100).
Climate Vulnerability (Ref.
125649): Very high vulnerability (87 of 100).
Nutrients (Ref.
124155): Calcium = 9.76 [5.05, 19.57] mg/100g; Iron = 0.41 [0.22, 0.79] mg/100g; Protein = 16.9 [15.3, 18.9] %; Omega3 = 0.373 [0.217, 0.651] g/100g; Selenium = 25.5 [10.8, 55.4] μg/100g; VitaminA = 8.07 [1.82, 39.96] μg/100g; Zinc = 0.274 [0.187, 0.414] mg/100g (wet weight); based on
nutrient studies.