Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βαθυπελαγικό(ς); εύρος βάθους 83 - 1800 m (Ref. 96339). Deep-water; 60°N - 30°N
Northeast Pacific: Gulf of Alaska to southern California, USA (Ref. 35612); including Japan (Ref. 43939).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 22.2 cm SL αρσενικό/απροσδιόριστο; (Ref. 6885); 17.9 cm SL (female)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 9 - 12; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 8 - 10; Σπόνδυλοι: 44 - 47. Adipose fin small and sickle-shaped; pectorals small. Preserved specimens dark brown on body and head, lighter below, bluish on nape, preopercle, and throat, fins clear, eye silvery (Ref. 6885). Branchiostegal rays 3. Pyloric caeca 7-9 (Ref. 5123).
Found between the epipelagic and mesopelagic zones (Ref. 265). Oviparous, with planktonic eggs and larvae (Ref. 35612). Probably found at a depth of 100 m (Ref. 6885). A specimen of 17.92 cm SL was found to have mature ovaries (Ref. 5123).
Matarese, A.C., A.W. Kendall, D.M. Blood and M.V. Vinter, 1989. Laboratory guide to early life history stages of Northeast Pacific fishes. NOAA Tech. Rep. NMFS 80:1-652. (Ref. 265)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 0.4 - 5.5, mean 3.8 °C (based on 52 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
