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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
More on author: Bennett.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; profondeur 0 - 25 m (Ref. 9710), usually 0 - 25 m (Ref. 27115). Tropical; 23°C - 28°C (Ref. 27115); 26°N - 30°S, 31°E - 129°E
Indian Ocean: eastern Africa to the Andaman Sea, southwest Indonesia and Christmas Island; with range extended to Bali, Indonesia in Western Pacific (Ref. 37792).
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 13.8 range ? - ? cm
Max length : 54.0 cm TL mâle / non sexé; (Ref. 30573); common length : 19.0 cm TL mâle / non sexé; (Ref. 30573)
Épines dorsales (Total) : 9; Rayons mous dorsaux (Total) : 28 - 30; Épines anales: 3; Rayons mous anaux: 23 - 26. Blue with a white chest (Ref. 3145). Head black with a broad white band from pectoral-fin base to throat. No distinct white spot or broad white band below eye. Dorsal fin yellow (except white margin and black submarginal line). Anal and pelvic fins white (Ref 9808).
Inhabits shallow, clear coastal and island coral reefs (Ref. 9710). Usually found on reef flats and along upper seaward slopes (Ref. 9710). May occur singly or in large feeding aggregations. Monogamous (Ref. 52884). Feeds on benthic algae; on small, sparsely scattered algae and small growths in crevices (Ref. 28026). Caught with nets (Ref. 30573). Marketed fresh.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Paired spawning (Ref. 240). Monogamous mating is observed as both obligate and social (Ref. 52884).
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; Aquarium: Commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 25.8 - 29, mean 27.5 °C (based on 354 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.01221 - 0.03575), b=2.93 (2.79 - 3.07), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.0 ±0.00 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
Nutrients (Ref.
124155): Calcium = 43.2 [17.9, 124.2] mg/100g; Iron = 0.653 [0.249, 1.575] mg/100g; Protein = 18.3 [16.9, 19.5] %; Omega3 = 0.0883 [, ] g/100g; Selenium = 18.4 [6.3, 51.1] μg/100g; VitaminA = 33.7 [7.7, 135.1] μg/100g; Zinc = 2.52 [0.79, 4.63] mg/100g (wet weight);
