HomeFreshwater aquarium fishOther freshwater fishGrooved razor-fish Grooved razor-fish (Centriscus scutatus) Scientific name: Centriscus scutatus Linnaeus, 1758 The Grooved razor-fish (Centriscus scutatus) is a brackish-water fish of the family Centriscidae. Native range: Indo-Pacific, Red Sea and Arabian Gulf to New Guinea, north to southern Japan, south to New South Wales, Australia. BiologyDorsal spines (total): 3; Dorsal soft rays (total): 10-12; Anal soft rays: 11 - 12. Silvery with reddish brown to blackish mid-lateral stripe. Main dorsal spine moderately long and without joint.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCentriscus scutatusFamilyCentriscidae (Snipefishes and shrimpfishes)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Depth range3–100 m (10–328 ft)EnvironmentMarine; brackish; reef-associated; depth range 3 - 100 mClimateTropicalDistributionIndo-Pacific: Red Sea and Arabian Gulf to New Guinea, north to southern Japan, south to New South Wales, Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More other freshwater fishSouth American lungfishLepidosiren paradoxaLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026