Zebrasoma desjardinii (Bennett, 1836)
Indian sail-fin surgeonfish
photo by Field, R.

Family:  Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Acanthurinae
Max. size:  40 cm TL (male/unsexed)
Environment:  reef-associated; depth range 3 - 30 m
Distribution:  Indian Ocean: Red Sea south to Natal, South Africa and east to India, Java, and Cocos-Keeling Islands, but not Christmas Island.
Diagnosis:  Dorsal spines (total): 4-4; Dorsal soft rays (total): 27-31; Anal spines: 3-3; Anal soft rays: 22-24. Description: Characterized by grey body color with orange-marginated dark grey bars; lower side of body with large orange spots; head with pair of blackish bars; small orange spots on snout and breast; median fins with conspicuous pale spots; caudal peduncle with retractable spine present on each side; extremely elevated and sail-like dorsal fin; greatest depth of body 1.8-2.0 in SL (Ref. 90102).
Biology:  Found in lagoon and seaward reefs to depths greater then 30 m; juveniles in sheltered inner reef areas (Ref. 9710, 48637). Adults usually occur in pairs. Juveniles solitary and commonly among staghorn corals in lagoons or protected reefs (Ref. 48637).
IUCN Red List Status: Least Concern (LC); Date assessed: 07 May 2010 Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 26.02.02
Modified by: Valdestamon, Roxanne Rei - 19.07.13

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