Acanthurus lineatus (Linnaeus, 1758)
Lined surgeonfish
Lapus lapus,  Lined surgeonfish,  Papakol,  Bagis,  Bakwak,  Banasay,  Bluelined surgeonfish,  Ched,  Chud,  Dabahita,  Gangis,  Gurisan,  Indangan,  Katambak,  Komang,  Labahita,  Mungit,  Pilo-pilo,  Pugpugot,  Saging-saging,  Samarel,  Sovahan,  Tudlo-an
Acanthurus lineatus
photo by Greenfield, J.

Family:  Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Acanthurinae
Max. size:  38 cm TL (male/unsexed); max. reported age: 46 years
Environment:  reef-associated; depth range 0 - 15 m
Distribution:  Indo-Pacific: East Africa, including the Mascarene Islands (Ref. 37792) to the Hawaiian, Marquesas and Tuamoto islands, north to southern Japan, south to the Great Barrier Reef and New Caledonia. Replaced by the closely related Acanthurus sohal in the Red Sea.
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 27-30; Anal spines: 3-3; Anal soft rays: 25-28. Upper 3/4 of body with alternating black-edged blue and yellow bands; lower 1/4 of body gray. Erectile spine on each side of caudal peduncle is sharp, strong, forward-pointing, and venomous. Upper part of head with yellow, oblique stripes. Pectoral fins pale with dusky rays; pelvic fins light yellowish brown with black outer margin; vertical markings in caudal fin. Gill rakers 14-16 anterior row, 13-15 posterior row. Minute scales. Philippine specimens demonstrate different color patterns. Description: Characterized further by having a caudal spine length of 1.9-2.0 in head length; greatest depth of body of adults 2.2 in SL (Ref. 90102).
Biology:  A territorial species (Ref. 167) which is common in surge zones of exposed seaward reefs. The large male controls well-defined feeding territories and harems of females (Ref. 1602, 48637). Benthopelagic (Ref. 58302). Adult usually forms schools and commonly found in shallow gutters. Juvenile solitary and secretive on shallow rubble habitats (Ref. 48637). The species is almost continually in motion. Herbivorous but also feeds on crustaceans (Ref. 5503). The venomous caudal spine can cause painful wounds. Forms spawning aggregations (Ref. 27825).
IUCN Red List Status: (Ref. 115185)
Threat to humans:  venomous
Country info:  Known from Cebu City (Ref. 58652), Lanuza Bay (Ref. 104756), TaƱon Strait (Ref. 107276), Davao Gulf and Bongo Island, Moro Gulf (Ref. 106380). Also Ref. 393, 37792, 48613.

Entered by: Luna, Susan M. - 17.10.90
Modified by: Luna, Susan M. - 23.03.17
Checked by: Capuli, Estelita Emily - 27.08.94

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