Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande; djupintervall 0 - 300 m (Ref. 117245), usually 4 - ? m (Ref. 117245). Polar; 82°N - 46°N, 35°E - 44°W (Ref. 117245)
Nearly circumpolar along Arctic coasts of Asia and North America. North Pacific: northern part of Bering Sea.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL hane/ej könsbestämd; (Ref. 4695)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Ryggkotor: 90 - 93. Pelvic fins small (Ref. 4695). 9-11 light cross-bands separated by slightly broader dark bands; peritoneum light (Ref. 4695).
Found on muddy bottoms (Ref. 4695). Buries into the mud tail first (Ref. 4695). Benthic (Ref. 58426). Feeds on small benthic invertebrates (Ref. 4695); mainly of amphipods (Ref. 5951).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Andriashev, A.P., 1986. Zoarcidae. p. 1130-1150. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. volume 3. UNESCO, Paris. (Ref. 4695)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): -1.6 - 1.6, mean -0.9 °C (based on 2244 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00269 (0.00175 - 0.00414), b=3.17 (3.04 - 3.30), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.36 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).