Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 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.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 30.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 35388); common length : 14.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 6696)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 0.3 - 7.7, mean 2.6 °C (based on 243 cells).
Phylogenetic diversity index (Αναφ.
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).
Τροφικό Επίπεδο (Αναφ.
69278): 4.1 ±0.2 se; based on diet studies.
Ελαστικότητα (Αναφ.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Fec = 66).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
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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);
