Acanthurus leucopareius (Jenkins, 1903)
Whitebar surgeonfish
Modch
Acanthurus leucopareius
photo by Malaer, P.

Family:  Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Acanthurinae
Max. size:  25 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 1 - 85 m
Distribution:  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.
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 25-27; Anal spines: 3-3; Anal soft rays: 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).
Biology:  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.
IUCN Red List Status: Least Concern (LC); Date assessed: 03 May 2010 Ref. (130435)
Threat to humans:  reports of ciguatera poisoning
Country info:  Also Ref. 37792.


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