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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
Ecologie
marien rifbewoner; diepte 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).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 26.0 cm TL mannelijk / geslacht onbekend; (Ref. 3145)
Dorsale stekels (totaal) : 6 - 7; Dorsale zachte stralen (totaal) : 25 - 27; Anale stekels: 3; Anale zachte stralen: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; Aquarium: Commercieel
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 28.9, mean 27.5 °C (based on 492 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.4 ±0.45 se; based on food items.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (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);
