Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; non migrateur; 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
Maturity: 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.
Occurs in lagoon and seaward reefs. Feeds exclusively on the polyps of the tubular Acropora corals. Swims in pairs and are territorial. Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Life cycle and mating behavior
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 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 25.2 - 29.3, mean 28.6 °C (based on 2473 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01258 - 0.04370), 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 (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.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
Nutrients (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);
