Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande; djupintervall 30 - 300 m (Ref. 5179), usually 30 - 140 m (Ref. 11892). Polar; 46°S - 54°S
Southern Ocean: French South Territory, Heard Islands and Kerguelen Plateau.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 35.0 cm SL hane/ej könsbestämd; (Ref. )
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 6 - 7; Mjukstrålar i ryggfenan (totalt) : 28 - 30; Mjukstrålar i analfenan: 28 - 31. Body marbled and with three or four short, broad, dark bars on upper parts of sides. Dorsally rays sometimes with a series of small spots, caudal fin faintly barred (Ref. 11892).
Found in fairly shallow water (Ref. 11892).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 1.8 - 3.1, mean 2.5 °C (based on 15 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00347 - 0.00998), b=3.25 (3.10 - 3.40), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Fec = 41,650-86580).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (70 of 100).
Nutrients (Ref.
124155): Calcium = 29.7 [17.6, 65.7] mg/100g; Iron = 0.452 [0.206, 0.849] mg/100g; Protein = 17.8 [15.6, 19.7] %; Omega3 = 0.364 [0.198, 0.625] g/100g; Selenium = 13.9 [6.1, 29.4] μg/100g; VitaminA = 13.5 [3.2, 58.8] μg/100g; Zinc = 0.51 [0.36, 0.74] mg/100g (wet weight);
