Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 0 - ? m (Ref. 11892), usually 0 - 27 m (Ref. 11892). Polar
Southern Ocean: Kerguelen and Heard Islands.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 30.0 cm TL hane/ej könsbestämd; (Ref. 2121); common length : 20.0 cm TL hane/ej könsbestämd; (Ref. 2121)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 4 - 6; Mjukstrålar i ryggfenan (totalt) : 33 - 36; Mjukstrålar i analfenan: 30 - 34. Uniformly brownish but with darker markings or uniformly black. Prominent acoustico-lateralis channel on the head, absence of connecting orbital branches of the ethmoid, short frontal and narrow parasphenoid (Ref. 11892).
Body shape (shape guide): fusiform / normal.
Spawn once a year (Ref. 1071).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Hureau, J.-C., 1985. Family Notothenidae - Antarctic rock cods. p. 323-385. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88) (CCAMLR Convention Area). Rome, FAO. Vol. 2. (Ref. 2121)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00286 - 0.01212), b=3.22 (3.04 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Generation time: 5.9 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Tmax=8; k=0.18; Fec=20,000).
Sårbarhet i fisket (Ref.
59153): Moderate vulnerability (44 of 100).
🛈