Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 0 - 43 m (Ref. 89972), usually 2 - 15 m (Ref. 1602). Tropical; 30°N - 28°S
Pacific Ocean: Ryukyus, Ogasawara (Bonin) Islands and Taiwan to the Hawaiian, Marquesan, and Pitcairn islands, south to the Samoan and Austral Islands; Marianas and Marshalls in Micronesia.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL maschio/sesso non determinato; (Ref. 9710)
Spine dorsali (totale) : 13 - 14; Raggi dorsali molli (totale) : 20 - 23; Spine anali: 3; Raggi anali molli: 16 - 18.
Found almost exclusively on exposed seaward reefs (Ref. 205). Benthopelagic (Ref. 58302). Feed mainly on polyps of Pocillopora. Solitary or in pairs. Oviparous (Ref. 205), monogamous (Ref. 52884). Form pairs during breeding (Ref. 205).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Distinct pairing (Ref. 205). Monogamous mating is observed as obligate, genetic 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. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Pesca: commerciale; Acquario: Commerciale
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 29.4, mean 27.9 °C (based on 991 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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): 4.2 ±0.2 se; based on diet studies.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 94.9 [47.4, 172.7] mg/100g; Iron = 0.794 [0.437, 1.393] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.138 [0.079, 0.237] g/100g; Selenium = 32 [16, 64] μg/100g; VitaminA = 58 [16, 205] μg/100g; Zinc = 1.18 [0.77, 1.78] mg/100g (wet weight);