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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
More on authors: Fowler & Bean.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; profondeur 5 - 90 m (Ref. 9710), usually 5 - 40 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115)
Indo-West Pacific: Indonesia, Society Islands and New Caledonia (Ref. 3145). Reported from the Austral Islands, Pitcairn, Philippines, and the Marianas (Ref. 9710). One specimen from the Mozambique Channel (identification is provisional).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 26.0 cm TL mâle / non sexé; (Ref. 3145)
Épines dorsales (Total) : 6 - 7; Rayons mous dorsaux (Total) : 25 - 27; Épines anales: 3; Rayons mous anaux: 23 - 24. head and anterior body blue-grey with numerous close-set small brownish yellow to dark brown spots, becoming longitudinal lines on rest of body (Ref 9808).
A rare species that occurs in steep, current-swept drop-offs (Ref. 9710, 48637). Usually seen well off the bottom (Ref. 1920). Solitary or in small groups (Ref. 90102). Planktivore (Ref. 37816). Minimum depth reported from Ref. 27115.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
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): 24.6 - 28.9, mean 27.5 °C (based on 492 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 (0.01103 - 0.04981), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.45 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).
Nutrients (Ref.
124155): Calcium = 58.8 [25.7, 186.3] mg/100g; Iron = 0.816 [0.306, 2.042] mg/100g; Protein = 18.5 [17.3, 19.6] %; Omega3 = 0.133 [0.059, 0.293] g/100g; Selenium = 18 [6, 54] μg/100g; VitaminA = 83.6 [24.8, 274.4] μg/100g; Zinc = 2.02 [0.64, 3.72] mg/100g (wet weight);