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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 1 - 85 m (Ref. 1602), usually 1 - 85 m (Ref. 27115). Subtropical; 24°C - 28°C (Ref. 27115); 32°N - 28°S, 119°E - 109°W
Western Central Pacific: primarily anti-equatorial; Mariana Islands, southern Japan, Marcus Islands, and the Hawaiian Islands in the north and New Caledonia, Rapa (Austral Islands), and Tuamoto Islands, Pitcairn group, and Easter Island in the south.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5450)
Ραχιαίες άκανθες (συνολικά) : 9; Μαλακές ραχιαίες ακτίνες (συνολικά) : 25 - 27; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 23 - 25. A whitish bar broadly bordered by dark brown from origin of dorsal fin across operculum. Caudal fin without a white posterior margin. Caudal concavity 10.5 to 12 times in SL. Body depth 1.7 to 1.8 times in SL (Ref 9808).
Inhabits primarily boulder-strewn areas of surge zone and browses on filamentous algae (Ref. 9710). Benthopelagic (Ref. 58302). Often in schools (Ref. 9710). Minimum depth reported from Ref. 27115.
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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)
Threat to humans
Reports of ciguatera poisoning (Ref. 31637)
Human uses
αλιεία: περιορισμένης εμπορικότητας; Ενυδρείο: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 28.7, mean 27.1 °C (based on 100 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).
Τροφικό Επίπεδο (Ref.
69278): 2.0 ±0.00 se; based on food items.
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
Nutrients (Ref.
124155): Calcium = 44.2 [17.3, 143.2] mg/100g; Iron = 0.811 [0.285, 2.086] mg/100g; Protein = 18.8 [17.5, 20.1] %; Omega3 = 0.173 [0.076, 0.406] g/100g; Selenium = 9.29 [2.97, 28.17] μg/100g; VitaminA = 26.4 [5.4, 123.6] μg/100g; Zinc = 1.97 [0.62, 4.02] mg/100g (wet weight);
