Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 98 - 1270 m (Ref. 51661). Deep-water
North Pacific: off Kushiro, Japan and from the Sea of Okhotsk to the Bering Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 54.0 cm SL male/unsexed; (Ref. 83735)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 0; Dorsal soft rays (total): 61 - 65; Anal spines: 0; Anal soft rays: 54 - 59. Snout projecting; gill opening wholly above pectoral fin; pectoral fin unnotched; disk length 11.7 to 19.6% of head length (Ref. 559). Body dusky-pink; vertical fins black; peritoneum black; stomach pale (Ref. 559).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 1.3 - 4.2, mean 1.9 °C (based on 180 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00311 - 0.00927), b=3.20 (3.05 - 3.35), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.49 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).