HomeFreshwater aquarium fishOther freshwater fishBlack curbinata Black curbinata (Plagioscion auratus) Scientific name: Plagioscion auratus Castelnau, 1855 The Black curbinata (Plagioscion auratus) is a freshwater fish of the family Sciaenidae. Native range: South America, Amazon, Orinoco, and rivers of Guianas. BiologyOccurs mainly in estuaries although it is rather rare. Occupies the same biotope as Plagioscion squamosissimus but its frequency of capture is notably less. Juveniles feed on insect larvae and crustaceans like copepods and decapods while adults feed essentially on fish. Easily caught during breeding season. An important foodfish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlagioscion auratusFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length34.6EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: Amazon, Orinoco, and rivers of Guianas.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquaculture: commercial; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More other freshwater fishFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaShort-tailed pipefishMicrophis brachyurus brachyurusPumpkinseedLepomis gibbosusLined soleAchirus lineatusSouth American lungfishLepidosiren paradoxaSee 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