Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande; djupintervall 0 - 91 m (Ref. 11892). Polar; 46°S - 54°S
Southern Ocean: Kerguelen and Crozet Islands; littoral and deeper waters of Heard Island.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.2 cm TL hane/ej könsbestämd; (Ref. 11892)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 3 - 5; Mjukstrålar i ryggfenan (totalt) : 21 - 24; Mjukstrålar i analfenan: 15 - 19.
Found under rocks on the beach or in tide pools, but may also be found deeper (down to 80 m) among kelp and other algae (Ref. 5191). Feed on small crustaceans and common in littoral of all sub-Antarctic islands (Ref. 42041).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Hureau, J.-C., 1990. Harpagiferidae. p. 357-363. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5191)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 3.8, mean 3.2 °C (based on 18 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00206 - 0.01336), b=3.10 (2.88 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
