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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
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 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).
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 26.0 cm TL maschio/sesso non determinato; (Ref. 3145)
Spine dorsali (totale) : 6 - 7; Raggi dorsali molli (totale) : 25 - 27; Spine anali: 3; Raggi anali molli: 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
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Pesca: commerciale; Acquario: Commerciale
Strumenti
Special reports
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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 (0.01118 - 0.04914), b=2.95 (2.78 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.45 se; based on food items.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (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);
