Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية المعيشة; نطاق العمق 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.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm SL ذكر/ مختلط الجنس; (Ref. 35388); common length : 14.0 cm SL ذكر/ مختلط الجنس; (Ref. 6696)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
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).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 0.3 - 7.7, mean 2.6 °C (based on 243 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [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).
مستوى غذائي (Ref.
69278): 4.1 ±0.2 se; based on diet studies.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec = 66).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
Nutrients (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);
