Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; oceanodromous (Ref. 51243); depth range 8 - 186 m (Ref. 9710), usually 18 - ? m (Ref. 9710). Tropical; 30°N - 32°S
Indo-Pacific: Red Sea, East Africa through northern Australia to the Hawaiian, Marquesas and Pitcain Islands; north to southern Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 38.0 cm TL male/unsexed; (Ref. 9710); common length : 26.0 cm TL male/unsexed; (Ref. 5450)
Inhabit coastal rocky reefs, often silty habitats and in lagoons on open sand (Ref. 48637). Solitary (Ref. 90102). Found over sand and rubble patches of seaward reefs (Ref. 205). Benthopelagic (Ref. 58302). Feed on echinoids, fishes, mollusks, tunicates, crustaceans, algae, polychaete worms, foraminiferans and detritus. Oviparous (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing (Ref. 205). Females are territorial, solely tending and guarding the eggs (Ref. 116451). Males exhibit polygyny (Ref. 116451).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Fisheries: minor commercial; aquarium: commercial
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Estimates based on models
Preferred temperature (Ref.
123201): 23.4 - 28.9, mean 27.5 °C (based on 2060 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02630 (0.01616 - 0.04282), b=2.93 (2.79 - 3.07), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.7 ±0.2 se; based on diet studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
Nutrients (Ref.
124155): Calcium = 34.7 [14.6, 91.9] mg/100g; Iron = 0.549 [0.284, 1.238] mg/100g; Protein = 18.5 [16.3, 20.6] %; Omega3 = 0.133 [0.067, 0.261] g/100g; Selenium = 45.7 [22.9, 95.7] μg/100g; VitaminA = 52.4 [14.7, 198.8] μg/100g; Zinc = 0.911 [0.612, 1.365] mg/100g (wet weight);