Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 1 - 10 m (Ref. 86942). Temperate
Western Pacific: Sagami Bay and Nagasaki Prefecture, Japan southward to China. Also reported from New Caledonia (Ref. 9070) and Australia (Ref. 7300).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL male/unsexed; (Ref. 559)
Occurs in inshore waters of the continental shelf (Ref. 75154). Inhabits sandy or mud bottoms in shallow waters (Ref. 559 and 637). Neither anterolateral glandular groove nor venom gland is present (Ref. 57406).
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. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 21.5 - 28.4, mean 26.7 °C (based on 903 cells).
Phylogenetic diversity index (Ref. 82804
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00213 - 0.01355), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).