Description:
Dorsal spines: 9; Dorsal rays: 22-26; Anal spines: 3; Anal rays: 19-22.
Body is olivaceous grey to yellow grey dorsally shading to white ventrally with 6 narrow black bars, the first on the head passing through the eye, 4 on the body and 1, typically broken, on the caudal peduncle. Anal and pelvic fin may display basal black bar.
Size:
Maturity: Lm 8.8 cm TL. Range unknown. Max Length: 27cm but rarely exceeds 20cm.
Habitat and Ecology:
Adults occur in lagoon and seaward reefs with hard substrate (0-90m depth) young are abundant in tide pools. Adults are often observed in large feeding aggregations, it may also be seen as solitary or in small groups. It is a grazer that feeds on algal turfs. Forms spawning aggregations.
Fishery Status:
This species is not protected or subject to fishery regulations. It is caught in the fish trap fishery.
Notes:
References:
Froese, R. and D. Pauly. Eds. 2018. FishBase. www.fishbase.org, https://www.fishbase.de/summary/Acanthurus-triostegus (14/10/18)
Randall, J.E. (2001). Surgeonfishes of Hawaii and the World. ISBN: 1-56647-561-9
Citation:
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