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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
More on author: Forster.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 0 - 10 m (Ref. 128797). Tropical; 30°N - 30°S, 52°E - 140°W
Indo-Pacific: oceanic islands in the western Indian Ocean to the Hawaiian, Marquesan and Tuamoto islands, north to the Ryukyu Islands, south to New Caledonia and Rapa.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 26.0 cm TL maschio/sesso non determinato; (Ref. 9710)
Spine dorsali (totale) : 9; Raggi dorsali molli (totale) : 27 - 30; Spine anali: 3; Raggi anali molli: 23 - 26. Preserved color is brown; spotted, white spots usually bordered with dark brown (may help conceal it in turbulent water that is often filled with small bubbles). Pelvic fins bright yellow. Each side of caudal peduncle with a single, sharp, forward-pointing erectile spine. Gill rakers on anterior row: 21-24; gill rakers on posterior row: 19-23.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Occurs in surge zone of clear seaward reefs (Ref. 9710, 58302). Benthopelagic (Ref. 58302); mainly oceanic and found schooling in shallow depths over reef flats subject to surge or currents (Ref. 48637). Browses on filamentous and calcareous algae. Forms schools.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale; Acquario: Commerciale
Strumenti
Rapporti speciali
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Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.03236 (0.02006 - 0.05221), b=2.95 (2.81 - 3.09), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
2.0 ±0.00 se; based on food items. |
Resilienza (Fonte Biblio. 120179) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Low to moderate vulnerability (25 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Medium.
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Nutrienti (Ref. 124155) |
Calcium = 73.8 [32.2, 227.4] mg/100g; Iron = 0.815 [0.307, 2.046] mg/100g; Protein = 18.2 [16.9, 19.5] %; Omega3 = 0.0903 [, ] g/100g; Selenium = 12.6 [4.3, 37.6] μg/100g; VitaminA = 45.3 [10.7, 180.9] μg/100g; Zinc = 3.13 [0.98, 5.95] mg/100g (wet weight); |