Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; non-migratory; depth range 0 - 3 m (Ref. 30874). Tropical; 30°N - 18°S
Western Pacific: southern Japan south to northern Queensland, Australia. Has been collected close to the islands in Micronesia, Melanesia, Fiji and New Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.4 cm TL male/unsexed; (Ref. 117049)
(total): 4 - 6;
soft rays: 13 - 15. Mouth barely protractile and with thin lips. Basihyal and mesopterygoids usually with teeth. No notch present at the anterior border of preopercular bone. Face with Shangreen denticles. Ascending process of premaxilla with no lateral processes present. Distal end of maxilla blunt and truncate.
Loose aggregations inhabit tide pools and rocky shorelines and reef margins. Eggs are large.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 126983)
Threat to humans
Fisheries: of no interest; bait: occasionally
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 26.2 - 29.3, mean 28.7 °C (based on 1520 cells).
Phylogenetic diversity index (Ref. 82804
= 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
): 3.4 ±0.45 se; based on food items.
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).
Nutrients (Ref. 124155
): Calcium = 186 [94, 402] mg/100g; Iron = 0.987 [0.515, 1.791] mg/100g; Protein = 19.2 [16.9, 21.6] %; Omega3 = 0.124 [0.050, 0.339] g/100g; Selenium = 13.5 [6.0, 37.3] μg/100g; VitaminA = 331 [96, 1,081] μg/100g; Zinc = 2.16 [1.34, 3.37] mg/100g (wet weight);