HomeMarine aquarium fishTangs & surgeonfishMasked spinefoot Masked spinefoot (Siganus puellus) Scientific name: Siganus puellus Schlegel, 1852 The Masked spinefoot (Siganus puellus) is a marine fish of the family Siganidae. In the aquarium it needs water at 22–27°C (72–81°F). Masked spinefoot care at a glanceTemperature22–27°C (72–81°F) BiologyDorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13. Body yellow-orange above to silvery white below; a prominent blackish bar on head, spotted; iris blackish; opercular area silver; dorsal and anal fin spines and rays yellow, spines with white streak. Spines stout and venomous. Preopercular angle 101?-111?. Cheeks fully covered with strong scales. Midline of thorax scaled; scaled pelvic ridges may interrupt scale row pattern. Low rim of anterior nostril expanded posteriorly into a short, broad triangular flap.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSiganus puellusFamilySiganidae (Rabbitfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length38.0Common length25.0Depth range1–30 m (3–98 ft)EnvironmentMarine; reef-associated; depth range 1 - 30 m, usually 2 - 30 mClimateTropicalDistributionIndo-West Pacific: Cocos-Keeling Islands and the South China Sea to the Gilbert Islands, north to the Ryukyu Islands, south to the southern Great Barrier Reef and New Caledonia. Recently recorded from Tonga.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesFisheries: minor commercial; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tangs & surgeonfishStreamlined spinefootSiganus argenteusBlue-spotted spinefootSiganus corallinusGolden-lined spinefootSiganus lineatusMagnificent rabbitfishSiganus magnificusFoxfaceSiganus vulpinusBlotched foxfaceSiganus unimaculatusSee 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