HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersAmazon croaker Amazon croaker (Pachyurus schomburgkii) Scientific name: Pachyurus schomburgkii G?nther, 1860 The Amazon croaker (Pachyurus schomburgkii) is a freshwater fish of the family Sciaenidae. Native range: South America, Amazon and Orinoco River basins. Species factsScientific namePachyurus schomburgkiiFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.9EnvironmentFreshwater; brackish; benthopelagicClimateTropicalDistributionSouth America: Amazon and Orinoco River basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026