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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
Eponymy: Jean-Jacques Dussumier (1792–1883) was a French merchant, collector, traveller and ship owner. [...] (Ref. 128868), visit book page.
More on author: Valenciennes.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 4 - 131 m (Ref. 9710), usually 9 - 130 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115); 40°N - 37°S, 17°E - 155°W
Indo-Pacific: East Africa (including the Mascarene Islands, Ref. 37792) to the Hawaiian and Line islands, north to southern Japan, south to Rowley Shoals, southern Great Barrier Reef and Lord Howe Island. Absent from most of central Pacific.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 54.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3145); common length : 35.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3146); μεγ. αναφερόμενη ηλικία: 30 έτη (Ref. 127555)
Ραχιαίες άκανθες (συνολικά) : 9; Μαλακές ραχιαίες ακτίνες (συνολικά) : 25 - 27; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 24 - 26. Pale brown body; broader, irregular lines on head; orange band between eyes, continued behind each eye to gill cover. Each side of caudal peduncle with single, sharp, forward-pointing erectile spine; spine largely covered by cream sheath; groove surrounded by a black area. Dorsal fin with soft part having longer base than spinous part. Minute scales. Gill rakers 22-26 in anterior row, 23-27 in posterior row. Caudal fin lunate in adults (Ref. 1602).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Schooling species, usually occurring in seaward reefs at depths greater than 9 m (Ref. 1602). Adults mainly on deep coastal reef slopes and outer reef walls, often on deep shipwrecks. Juveniles found on algae-rocky reef (Ref. 48637). Benthopelagic (Ref. 58302). Occur singly or in groups (Ref. 37816). Feed on surface film of fine green and blue-green algae, diatoms, and detritus covering sand (Ref. 1602). Pair-spawner (Ref. 37816). Mainly diurnal. (Ref. 1602). Utilized as a food fish (Ref. 3146).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Probably spawn in pairs (Ref. 240).
Randall, J.E., 1986. Acanthuridae. p. 811-823. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3145)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Human uses
αλιεία: περιορισμένης εμπορικότητας; Ενυδρείο: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 20.3 - 28.9, mean 27.2 °C (based on 2904 cells).
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03020 (0.01889 - 0.04829), b=2.94 (2.81 - 3.07), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 2.0 ±0.00 se; based on food items.
Generation time: 3.7 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Ελαστικότητα (Αναφ.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (tmax=30; K=0.29).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
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Nutrients (Ref.
124155): Calcium = 40.3 [16.1, 111.2] mg/100g; Iron = 0.653 [0.253, 1.583] mg/100g; Protein = 18.2 [16.8, 19.4] %; Omega3 = 0.105 [0.048, 0.219] g/100g; Selenium = 25.9 [8.9, 76.2] μg/100g; VitaminA = 31 [7, 131] μg/100g; Zinc = 2.38 [0.75, 4.33] mg/100g (wet weight);
