Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 0 - 94 m (Ref. 50550), usually 30 - 46 m (Ref. 48978). Polar; 83°N - 40°N, 136°E - 42°W
Western Atlantic: Arctic Ocean to southern Labrador, Canada and western Greenland. North Pacific: Japan (Ref. 559) and Alaska (Ref. 11366).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL mannelijk / geslacht onbekend; (Ref. 7251)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 80 - 83; Anale stekels: 2; Anale zachte stralen: 38 - 42; Wervels: 87 - 90.
Facultative air-breathing (Ref. 126274); Entirely subtidal (Ref. 48978). Benthic; feeds on crustaceans and worms (Ref. 58426).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): -1.4 - 2.8, mean 0 °C (based on 367 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00162 (0.00068 - 0.00388), b=3.19 (2.99 - 3.39), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.39 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).