Acanthurus leucocheilus (Herre, 1927)
Acanthurus leucocheilus (Herre, 1927)

Genus: ,

Scientific Name: Acanthurus leucocheilus (Herre, 1927)

English Name: Palelipped surgeonfish

Creole Name: Sirizyen blan

French Name:

IUCN Red List Status: Least Concern (LC)


Dorsal spines: 9; Dorsal soft rays: 24-26; Anal spines: 3; Anal soft rays: 23-25.

A dark brown to blackish surgeonfish without fine longitudinal lines. Front of upper lip orange; rest of mouth and narrow zone around it white and a white band across the chest. It exhibits a large black spot above the axil of the pectoral fin and a pale band on the outer third of the pectoral fin. Dorsal and anal fins have a fine electric blue edge. Dorsal fin has an orange posterior portion on the distal part of the last 6 rays. Caudal fin in adults is deeply lunate with long lobes. It carries a peduncular spine with white sheath the socket rimmed in black. The caudal fin base is encircled by a white ring. There is an indistinct metallic blue band adjacent to the lunate terminal edge of the caudal fin. Juveniles are brown with a yellow caudal fin.


Maturity: Lm unknown. Range unknown. Max Length: 48cm SL

Habitat and Ecology:

Reef associated species occurring singly or in groups typically in outer reef areas between 3-40m depth. Grazer/detrivore feeding over sand on algae and detritus.  

Fishery Status:

This species is not protected or subject to fishery regulations. It is caught in the fish trap fishery, but is a rare component of the catch. 





Abesamis, R. et al (2012). Acanthurus leucocheilus. The IUCN Red List of Threatened Species 2012: e.T177994A1515329.  Downloaded on 10 October 2018.

Bray D.J. : Acanthurus leucocheilus in Fishes of Australia

Froese, R. and D. Pauly. Eds. 2018. FishBase. World Wide Web electronic publication.,   (10/10/18)

Randall, J.E. (2001). Surgeonfishes of Hawaii and the World. ISBN: 1-56647-561-9


Nevill, J.E.G. & Mason-Parker, C. (2019). Acanthurus leucocheilus, Ringtail surgeonfish.

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