Siganus lineatus (Valenciennes, 1835)
Golden-lined spinefoot
Siganus lineatus
photo by Randall, J.E.

 Family:  Siganidae (Rabbitfishes)
 Max. size:  43 cm TL (male/unsexed)
 Environment:  reef-associated; depth range 0 - 25 m
 Distribution:  Indo-West Pacific: Maldives, Laccadive Archipelago, India, Sri Lanka, Ogasawara Islands (Japan), eastern Indonesia, New Guinea, Australia, Solomon Islands, Vanuatu, New Caledonia and Philippines; Palau and Yap in Micronesia. Records from Viet Nam (Ref. 2682) is probably Siganus guttatus.
 Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 10-10; Anal spines: 7-7; Anal soft rays: 9-9; Vertebrae: 13-13. Blue dorsally, silvery below; a bright yellow spot below last few rays of dorsal fin; a prominent blue line beside posterior margin of orbit running diagonally across cheek to corner of mouth. Preopercular angle 92°-104°; strong scales almost completely cover cheeks; midline of thorax scaled, not pelvic ridges. Anterior nostril encircled by a very low rim, slightly expanded posteriorly. Spines stout, pungent and venomous (Ref. 1419).
 Biology:  Juveniles found in mangrove areas and seagrass flats; adults in protected waters such as lagoons and bays in the vicinity of rocky substrata or reefs. Forms schools that diminish with age, down to 10-25 fish by adult stage, although congregations may consist of several thousand fish during spawning period. Feeds by scraping encrusting algae from beach rock or pavement areas of coral reefs or by browsing on larger coarse algae. Common in markets where it is sold fresh (Ref. 9813).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  venomous
 Country info:   

 Entered by: Capuli, Estelita Emily - 23.08.91
 Modified by: Valdestamon, Roxanne Rei - 26.04.13
 Checked by: Woodland, David J. - 18.10.95

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