Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; pelagic-neritic; depth range ? - 200 m (Ref. 11230). Temperate
Northwest Pacific: southern Japan, the East China Sea and around Taiwan.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 637)
Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8 - 9; Vertebrae: 10 - 15. This species has the following characters: chin with a pair of distinct spines; proximal-middle radial of first anal-fin pterygiophore slender with no hollow; well developed lateral wing; 13 (rarely 12) pectoral-fin rays; A III, 9 (rarely 8); longest anal-fin ray is shorter than half of base of anal fin; body depth 34-41% LS; lateral line scales 48-51; gill rakers 22-24 on lower arm (Ref. 76883). Body uniformly brownish-silver dorsally, white ventrally (Ref. 559).
Feeds on small crustaceans and fishes, among others (Ref. 559). Caught in depths of less than 150 m (Ref. 637).
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): 11.9 - 22.2, mean 18.5 °C (based on 126 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00182 - 0.01257), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.66 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
