HomeFreshwater aquarium fishTetras & characinsWimple piranha Wimple piranha (Catoprion mento) Scientific name: Catoprion mento Cuvier, 1819 The Wimple piranha (Catoprion mento) is a freshwater fish of the family Characidae. In the aquarium it needs water at 23–26°C (73–79°F). Native range: South America, Amazon, Orinoco, Essequibo, and upper Paraguay River basins. Wimple piranha care at a glanceTemperature23–26°C (73–79°F) BiologyPossesses powerful dentition and can inflict serious bites. Has been observed to feed on scales of other fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCatoprion mentoFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentFreshwater;; pH range: ? - 5.4 pelagicClimateTropicalDistributionSouth America: Amazon, Orinoco, Essequibo, and upper Paraguay River basins.Conservation status (IUCN)Not EvaluatedThreat to humansTraumatogenicUsesFisheries: minor commercial; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsSilver dollarMetynnis hypsauchenRedhook myleusMyloplus rubripinnisNannostomus 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