Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien rifbewoner; standvastig (Ref. 52884); diepte 5 - 20 m (Ref. 48636). Tropical; 36°N - 26°S, 96°E - 168°W
Western Pacific: Cocos-Keeling Islands in the eastern Indian Ocean and Indonesia to Fiji and Tonga (Ref. 53797), north to southern Japan, south to New Caledonia and New South Wales, Australia. Replaced by Chaetodon triangulum in the Indian Ocean (Ref. 37816).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 16.0 cm TL mannelijk / geslacht onbekend; (Ref. 48636)
Dorsale stekels (totaal) : 11 - 12; Dorsale zachte stralen (totaal) : 23 - 26; Anale stekels: 3; Anale zachte stralen: 20 - 22.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Adults occur in lagoon and seaward reefs. They feed exclusively on the polyps of the tubular Acropora corals. They swim in pairs and are territorial. Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Distinct pairing (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; Aquarium: Commercieel
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 25.2 - 29.3, mean 28.6 °C (based on 2473 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01246 - 0.04410), b=3.00 (2.84 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.61 se; based on food items.
Generation time: 1.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=0.9;).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (14 of 100).
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Voedingsstoffen (Ref.
124155): Calcium = 103 [54, 157] mg/100g; Iron = 0.809 [0.485, 1.318] mg/100g; Protein = 18.6 [17.5, 19.7] %; Omega3 = 0.113 [0.069, 0.180] g/100g; Selenium = 27.9 [15.7, 52.4] μg/100g; VitaminA = 55.9 [17.1, 181.4] μg/100g; Zinc = 1.48 [1.00, 2.13] mg/100g (wet weight);