Environment: milieu / climate zone / profondeur / distribution range
Écologie
marin benthopélagique; profondeur 100 - 150 m (Ref. 11892). Polar; 46°S - 61°S
Southern Ocean: South Georgia, South Sandwich Islands, Crozet and Prince Edward.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 20.0 cm TL mâle / non sexé; (Ref. )
Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 29; Rayons mous anaux: 27. Back with transverse bars, break up into spots on the sides of the body. Pectorals with series of small dark spots on the rays, often with a blackish spot on the upper part of pectoral base (Ref. 11892).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Réf.
123201): 0.1 - 2.6, mean 2.1 °C (based on 14 cells).
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5312 [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).
Niveau trophique (Réf.
69278): 3.2 ±0.42 se; based on food items.
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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