Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 0 - 556 m (Ref. 117245). Polar; -2°C - 13°C (Ref. 4698); 84°N - 43°N, 180°W - 180°E (Ref. 117245)
Arctic, Northwest to Northeast Atlantic: to Gulf of St. Lawrence in Canada and rarely Maine, USA. Northeast Atlantic: eastern coasts of Greenland, Iceland, northern coast of Norway to White and throughout Barents Sea to Spitzbergen and Novaya Zemlya (Ref. 4698).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 9.0  range ? - ? cm
Max length : 30.0 cm TL mannelijk / geslacht onbekend; (Ref. 9707)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 10 - 12; Dorsale zachte stralen (totaal) : 14 - 17; Anale stekels: 0; Anale zachte stralen: 15 - 19. Back dark, flanks with dark blotches forming two blackish-brown bands, irregular line of dark spots below lateral line; belly light, yellowish in females, with roundish white spots in males; dorsal fin with light and dark stripes, caudal, anal and pectoral fins light, the last with a yellow tip and with 4-5 transverse lines of dark spots (Ref. 4698).
Body shape (shape guide): elongated.
Burrows into sand and sand-mud bottoms with salinities of 32-35 ppt, sometimes as low as 16-30 ppt (Ref. 4698). Benthic (Ref. 58426). Feeds on small benthic amphipods and polychaetes (Ref. 4698).
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: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00759 (0.00474 - 0.01213), b=3.25 (3.11 - 3.39), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.4 se; based on diet studies. |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tm=2-4; tmax=9; Fec=3,030). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate vulnerability (44 of 100). 🛈 |
Voedingsstoffen (Ref. 124155) |
Calcium = 48.9 [19.3, 113.2] mg/100g; Iron = 0.45 [0.20, 1.05] mg/100g; Protein = 16.6 [14.4, 18.8] %; Omega3 = 0.361 [0.142, 1.101] g/100g; Selenium = 18.9 [7.2, 48.8] μg/100g; VitaminA = 13.9 [2.9, 64.2] μg/100g; Zinc = 0.541 [0.342, 0.918] mg/100g (wet weight); |