Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 225 - 385 m (Ref. 11230). Temperate
Northwest Pacific: southern Japan and Taiwan (Ref. 12711).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 16.2 cm SL male/unsexed; (Ref. 50165)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 0; Dorsal soft rays (total): 10 - 11; Anal spines: 0; Anal soft rays: 10 - 13. Body elongate and cylindrical. Base of anal fin not longer than base of dorsal fin. Snout longer than eye diameter. Mouth small, the upper jaw protruding. No teeth present on jaws.
Found in the upper bathyal, 225-385 m on sandy mud bottom (Ref. 11230).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | 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: Version 2024-1)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 1.7 - 17.9, mean 12.9 °C (based on 19 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00163 - 0.00807), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
