Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range ? - 1281 m (Ref. 26282). Deep-water
Northwest Pacific: Japan (Ref. 559) and the China (Ref. 44036).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 170 cm SL male/unsexed; (Ref. 559)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 0; Dorsal soft rays (total): 9 - 10; Anal spines: 0. Pelvic fin short, not reaching below insertion of pectoral fin; its length contained 5.4 times in head length. Pelvic girdle narrow, with a median foramen. Attains 1.7 m SL.
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
Download XML
Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 6.1 - 12.9, mean 8.8 °C (based on 49 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5315 [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): 4.3 ±0.7 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).