HomeFreshwater aquarium fishTetras & characinsTucan fish Tucan fish (Chalceus erythrurus) Scientific name: Chalceus erythrurus Cope, 1870 The Tucan fish (Chalceus erythrurus) is a freshwater fish of the family Characidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: South America, Rio Amazonas and Rio Solim?es to Rio Ucayali drainge in Peru. Tucan fish care at a glanceTemperature22–26°C (72–79°F) Species factsScientific nameChalceus erythrurusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length21.4EnvironmentFreshwater; pelagicClimateTropicalDistributionSouth America: Rio Amazonas and Rio Solim?es to Rio Ucayali drainge in Peru.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsStriped pike-characinBoulengerella lateristrigaGlass bloodfinPrionobrama filigeraBlack morpho tetraPoecilocharax weitzmaniGreen neon tetraParacheirodon simulansGlass tetraMoenkhausia oligolepisRoyal tetraInpaichthys kerriSee 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