Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande. Polar; 57°S - 67°S
Southern Ocean: along the Atlantic coasts of the Antarctic Peninsula, South Shetland, South Orkney and South Sandwich islands.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 9.5 cm SL hane/ej könsbestämd; (Ref. 5191); rapporterad maxålder: 9 år (Ref. 5191)
Depth range: 0-5 m on rocky bottoms. Usually under rocks; rarely under algal fronds. A specialized feeder on amphipods, mainly Gondogeneia antarctica. Feed on small crustaceans and common in littoral of all sub-Antarctic islands (Ref. 42041). Iteroparous and devotes a lot of time to parental care (Ref. 5191). Larval pelagic phase is long (Ref. 71843).
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)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00211 - 0.01367), 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): 3.3 ±0.53 se; based on food items.
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Fec = 400).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
Nutrients (Ref.
124155): Calcium = 72.6 [35.0, 181.3] mg/100g; Iron = 0.52 [0.21, 1.12] mg/100g; Protein = 16.9 [15.9, 18.0] %; Omega3 = 0.249 [0.109, 0.545] g/100g; Selenium = 8.44 [2.82, 22.02] μg/100g; VitaminA = 31.7 [5.9, 175.2] μg/100g; Zinc = 0.782 [0.483, 1.222] mg/100g (wet weight);
