HomeFreshwater aquarium fishTetras & characinsSpeckled piranha Speckled piranha (Serrasalmus spilopleura) Scientific name: Serrasalmus spilopleura Kner, 1858 The Speckled piranha (Serrasalmus spilopleura) is a freshwater fish of the family Characidae. In the aquarium it needs water at 23–28°C (73–82°F). Native range: South America, Guapor? River basin. Reported from the Paran? River basin, Argentina. Speckled piranha care at a glanceTemperature23–28°C (73–82°F) Species factsScientific nameSerrasalmus spilopleuraFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Common length25.0EnvironmentFreshwater;; pH range: 5.0 - 7.0; dH range: ? - 18 benthopelagicClimateTropicalDistributionSouth America: Guapor? River basin. Reported from the Paran? River basin, Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsRedhook myleusMyloplus rubripinnisSilver dollarMetynnis hypsauchenNannostomus marginatusSilver prochilodusSemaprochilodus taeniurusDarter characinCharacidium fasciatumRedflank bloodfinAphyocharax rathbuniSee all tetras & characins SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026