Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; djupintervall 165 - 1342 m (Ref. 58426), usually 165 - 215 m (Ref. 42091). Deep-water; 79°N - 38°N, 76°W - 36°E
North Atlantic: English Channel, North Sea, Norwegian coastline, Svalbard, southwestern Barents Sea, off Spitzbergen, Bear Island, the Faeroes and Iceland, southeastern coasts of Greenland. Western Atlantic: New Jersey, USA to Gulf of St. Lawrence, Canada and Greenland.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 30.0 cm SL hane/ej könsbestämd; (Ref. 35388); common length : 14.0 cm SL hane/ej könsbestämd; (Ref. 6696)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Four bony knobs between and behind the eyes. Skin very rough. Body with 3-4 broad, dark vertical bands (Ref. 35388).
Benthic (Ref. 58426). Feeds on polychaetes, mysids, amphipods and pycnogonids. Spawns probably from June to July, ovarian eggs large and few (up to 220) (Ref. 6696). Female lays 200 eggs with a length of 4.5-5 mm (Ref. 35388).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Fedorov, V.V. and J.S. Nelson, 1986. Psychrolutidae. p. 1261-1264. 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. UNESCO, Paris. Vol 3. (Ref. 6696)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 0.3 - 7.7, mean 2.6 °C (based on 243 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.1 ±0.2 se; based on diet studies.
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec = 66).
Sårbarhet i fisket (Ref.
59153): Low to moderate vulnerability (27 of 100).
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Näringsämnen (Ref.
124155): Calcium = 20.5 [5.0, 69.0] mg/100g; Iron = 0.431 [0.149, 1.080] mg/100g; Protein = 14.8 [12.5, 17.8] %; Omega3 = 0.349 [0.133, 0.959] g/100g; Selenium = 12.6 [4.4, 43.1] μg/100g; VitaminA = 16.5 [3.4, 78.4] μg/100g; Zinc = 0.423 [0.217, 0.837] mg/100g (wet weight);
