Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 1 - 30 m (Ref. 48637). Tropical; 22°C - 27°C (Ref. 27115); 25°N - 15°S
Indo-West Pacific: East Africa to Samoa, north to the Yaeyama Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL male/unsexed; (Ref. 9710)
soft rays: 13. Pale color and series of black spots, male with blue stripes along margin of ventral fin (Ref. 30404); characterized further by the following: head and upper side with blue streaks and short vertical lines; low and rounded first dorsal fin; united pelvic fins, well developed frenum present; longitudinal scale series 73-85; head without scales; cycloid scales covering body; greatest depth of body 5.5-6.4 in SL; caudal fin with near truncate posterior margin, about equal to head length (Ref. 90102).
Found on sand or mud bottoms (Ref. 30404). Lives with grey or brown Alpheus spp. (Ref. 30404). Inhabits coastal bays and lagoons on sandy or muddy substrates to about 30 meters depth (Ref. 48637).
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. 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
): 27 - 29.3, mean 28.7 (based on 1412 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00267 - 0.01297), b=3.09 (2.91 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .