HomeFreshwater aquarium fishTetras & characinsElongate hatchetfish Elongate hatchetfish (Triportheus elongatus) Scientific name: Triportheus elongatus G?nther, 1864 The Elongate hatchetfish (Triportheus elongatus) is a freshwater fish of the family Characidae. Native range: Central and South America, Amazon, Orinoco, and Essequibo River basins. Also known from Trinidad. Species factsScientific nameTriportheus elongatusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length24.2EnvironmentFreshwater; benthopelagic; potamodromousClimateTropicalDistributionCentral and South America: Amazon, Orinoco, and Essequibo River basins. Also known from Trinidad.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