Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 3 - 15 m (Ref. 90102). Subtropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.2 cm TL male/unsexed; (Ref. 90102)
soft rays: 19 - 21. Body coloration reddish-brown with 5-6 diffuse bars on side joined with large uneven, pale spots along upper and lower sides and extends onto brown dorsal fin. Juveniles generally reddish-brown with pearly white band behind lower rear eye margin. Preserved specimens yellow. Dorsal rays III + XXVII, 4-5; tiny scales embedded in skin about 100-110 in lateral series; elongate and compressed body, depth 4.1-4.7 in SL; wide gill opening with members free from isthmus; above each eye is a small nasal tentacle and fimbriate fan-like tentacle (Ref. 90102).
Often seen in weedy reefs typically in cooler waters in areas of upwelling (Ref. 90102).
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. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 24.6 - 29.3, mean 28.8 (based on 1140 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00228 - 0.01209), b=3.05 (2.85 - 3.25), 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. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .