Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; profondeur 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 / Taille / Poids / Âge
Maturity: Lm 133.2  range ? - ? cm
Max length : 200 cm TL mâle / non sexé; (Ref. 90825); common length : 127 cm TL mâle / non sexé; (Ref. 90825); poids max. publié: 80.0 kg (Ref. 5179); âge max. reporté: 39 années (Ref. 88081)
Épines dorsales (Total): 8 - 9; Rayons mous dorsaux (Total): 25-27; Rayons mous anaux: 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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Outils
Articles particuliers
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Sources Internet
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).
Niveau trophique (Ref.
69278): 3.9 ±0.59 se; based on food items.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (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.