Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range - 70 m (Ref. 50610), usually - m (Ref. ). Temperate; 0°C -
Northwest Pacific: southern Kuril Islands and Sea of Japan, from Tatar Strait and Hokkaido to Korean Peninsula.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. 56557)
Found near shore among algal beds (Ref. 51666).
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. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 8.9 - 19.3, mean 14.6 °C (based on 44 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [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
): 3.2 ±0.5 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Nutrients (Ref. 124155
): Calcium = 76.9 [39.0, 157.9] mg/100g ; Iron = 0.324 [0.195, 0.609] mg/100g ; Protein = 17.9 [17.0, 18.8] % ; Omega3 = 0.48 [0.26, 0.90] g/100g ; Selenium = 13.4 [6.0, 31.1] μg/100g ; VitaminA = 31.7 [9.8, 102.7] μg/100g ; Zinc = 0.917 [0.590, 1.393] mg/100g (wet weight);