Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
marina bottenlevande; djupintervall 0 - ? m (Ref. 11892), usually 0 - 27 m (Ref. 11892). Polar
Southern Ocean: Kerguelen and Heard Islands.
Size / Vikt / Age
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)
Short description
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).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
Download XML
Internet-källor
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00282 - 0.01229), b=3.23 (3.05 - 3.41), 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).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
🛈
