Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino batidemersale; distribuzione batimetrica 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.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm SL maschio/sesso non determinato; (Ref. 35388); common length : 14.0 cm SL maschio/sesso non determinato; (Ref. 6696)
Short description
Chiavi di identificazione | Morfologia | Morfometria
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
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse
Strumenti
Special reports
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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).
Trophic level (Ref.
69278): 4.1 ±0.2 se; based on diet studies.
Resilienza (Ref.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (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);
