Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 3 - 20 m (Ref. 1602). Tropical; 31°N - 30°S, 52°E - 179°W
Indo-West Pacific: East Indies and the Philippines, through Papua New Guinea and the Great Barrier Reef to the Solomon Island, Palau, and north to China; extends into the Indian Ocean at least to the Maldives, India and Sri Lanka.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. 9710)
(total): 10 - 12;
soft rays: 14 - 17. White to yellowish below with 7 black stripes over head and sides, one centrally on snout and another as a strong black margin on end of dorsal and anal fins. Third line extends onto ventral fin (Ref. 48636). Snout length 3.0-4.1 in HL. Body depth 1.4-1.6 in SL (Ref. 90102).
Swim in pairs in coral rich areas of sheltered lagoon and inshore reefs; juveniles seen in groups among Acropora corals. Feed exclusively on coral polyps. Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).
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
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 26 - 29.3, mean 28.7 °C (based on 2330 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.01133 - 0.04632), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.6 ±0.40 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).
Nutrients (Ref. 124155
): Calcium = 147 [76, 235] mg/100g; Iron = 1.03 [0.60, 1.74] mg/100g; Protein = 18.3 [17.1, 19.5] %; Omega3 = 0.107 [0.062, 0.186] g/100g; Selenium = 32.6 [17.3, 65.3] μg/100g; VitaminA = 43.2 [11.5, 154.2] μg/100g; Zinc = 2.01 [1.33, 2.95] mg/100g (wet weight);