HomeMarine aquarium fishTangs & surgeonfishGolden-lined spinefoot Golden-lined spinefoot (Siganus lineatus) Scientific name: Siganus lineatus Valenciennes, 1835 The Golden-lined spinefoot (Siganus lineatus) is a marine fish of the family Siganidae. In the aquarium it needs water at 25–29°C (77–84°F). Golden-lined spinefoot care at a glanceTemperature25–29°C (77–84°F) BiologyDorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 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.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSiganus lineatusFamilySiganidae (Rabbitfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length43.0Common length25.0EnvironmentMarine; reef-associated; depth range 0 - ? m, usually 0 - 20 mClimateTropicalDistributionIndo-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 is probably Siganus guttatus.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesFisheries: commercial; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.6) More tangs & surgeonfishMagnificent rabbitfishSiganus magnificusFoxfaceSiganus vulpinusBlotched foxfaceSiganus unimaculatusBicolored foxfaceSiganus uspiMasked spinefootSiganus puellusStreamlined spinefootSiganus argenteusSee all tangs & surgeonfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026