Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino; distribuzione batimetrica 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 / Peso / Age
Maturity: Lm 133.2  range ? - ? cm
Max length : 200 cm TL maschio/sesso non determinato; (Ref. 90825); common length : 127 cm TL maschio/sesso non determinato; (Ref. 90825); peso massimo pubblicato: 80.0 kg (Ref. 5179); Età massima riportata: 39 anni (Ref. 88081)
Spine dorsali (totale): 8 - 9; Raggi dorsali molli (totale): 25-27; Raggi anali molli: 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 Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale
Strumenti
Special reports
Download XML
Fonti 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).
Trophic level (Ref.
69278): 3.9 ±0.59 se; based on food items.
Resilienza (Ref.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (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.