Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 4 - 46 m (Ref. 9710), usually 10 - 20 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115); 30°N - 24°S, 70°E - 171°W
Indo-Pacific: Maldives (Ref. 2334) to Samoa, north to the Ryukyu Islands, south to the southern Great Barrier Reef and New Caledonia.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.0 cm TL maschio/sesso non determinato; (Ref. 26587)
Spine dorsali (totale) : 10; Raggi dorsali molli (totale) : 12; Spine anali: 3; Raggi anali molli: 6. This species possess numerous short filaments at the tip of each dorsal spine. Thickened and elongate lower pectoral rays.
Shallow coastal to outer reef flats and slopes to 45 m depth (Ref. 48636). Common inhabitant of coral reefs, typically resting at the bases of coral heads (Ref. 9710). Studies indicate that it is haremic and spawns nightly (Ref. 37816). Occasionally in pairs (Ref. 48636). Sometimes solitary (Ref 90102).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Pelagic spawner (Ref. 31569). Spawning ascents into the water column occurred over a distance of 0.2 to 0.6 m (Ref. 54536).
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse; Acquario: Commerciale
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 25.2 - 28.9, mean 27.8 °C (based on 206 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00590 - 0.02567), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.65 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 118 [53, 207] mg/100g; Iron = 0.736 [0.403, 1.306] mg/100g; Protein = 18.4 [17.2, 19.7] %; Omega3 = 0.143 [0.078, 0.259] g/100g; Selenium = 22.9 [10.9, 49.9] μg/100g; VitaminA = 151 [42, 581] μg/100g; Zinc = 1.67 [1.08, 2.52] mg/100g (wet weight);
