Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; non migrateur (Ref. 52884); profondeur 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).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 16.0 cm TL mâle / non sexé; (Ref. 48636)
Épines dorsales (Total) : 11 - 12; Rayons mous dorsaux (Total) : 23 - 26; Épines anales: 3; Rayons mous anaux: 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).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 25.2 - 29.3, mean 28.6 °C (based on 2473 cells).
Indice de diversité phylogénétique (Réf.
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).
Niveau trophique (Réf.
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.
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (K=0.9;).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (14 of 100).
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Nutriments (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);