Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 12 - 930 m (Ref. 58426), usually 125 - 150 m (Ref. 56590). Polar; -2°C - 8°C (Ref. 4698); 84°N - 45°N, 180°W - 180°E (Ref. 117245)
Arctic to Northwest Atlantic: Ungava Bay, Gulf of St. Lawrence in Canada and Greenland; Kara Sea and southeastern part of Barents Sea (Ref. 4698).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 21.0 cm TL mannelijk / geslacht onbekend; (Ref. 56590); common length : 12.9 cm TL mannelijk / geslacht onbekend; (Ref. 56590); max. gepubliceerd gewicht: 160.00 g (Ref. 56590); max. gerapporteerde leeftijd: 7 Jaren (Ref. 56590)
Dorsale stekels (totaal): 8 - 9; Dorsale zachte stralen (totaal): 18-22; Anale stekels 0; Anale zachte stralen: 13 - 18. Young with 2 dark blotches on body, which break up into small dark brown spots in adults; spinous dorsal fin with 1-2 round dark patches, soft part with a few comparatively broad dark stripes; upper part of pectoral fin with transverse stripes; anal and pelvic fins colorless; caudal fin with irregular spots (Ref. 4698).
Found on sand or sandy-mud bottoms with stones with salinities of 24.7-34.2 ppt (Ref. 4698). Benthic (Ref. 58426). Feeds mainly large bottom invertebrates, rarely small mollusks (Ref. 4698).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | 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
Meer informatie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingNutrientsMassaconversie
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Estimates based on models
Preferred temperature (Ref.
123201): -1.5 - 4.2, mean -0.5 °C (based on 376 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.9 ±0.5 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).