Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; oceanodromous (Ref. 51243). Temperate
Northwest Pacific: Japan (Ref. 559), China (Ref. 57879) and South Korea (Ref. 45592).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm SL male/unsexed; (Ref. 559)
A common species that is found among Zostera marina and Sargassum beds. Eggs are deposited in the peribranchial cavity of sea squirts (Ref. 34819, 41071).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eggs are deposited in the peribranchial cavity of sea squirts (Ref. 34819, 41071).
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. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00376 - 0.01680), b=3.16 (2.96 - 3.36), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 4.3 ±0.4 se; based on diet studies.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (38 of 100) .