HomeFreshwater aquarium fishTetras & characinsHalfline leporinus Halfline leporinus (Leporinus nigrotaeniatus) Scientific name: Leporinus nigrotaeniatus Jardine, 1841 The Halfline leporinus (Leporinus nigrotaeniatus) is a freshwater fish of the family Anostomidae. In the aquarium it needs water at 23–26°C (73–79°F). Native range: South America, Negro River basin and Guyana coastal drainages. Halfline leporinus care at a glanceTemperature23–26°C (73–79°F) Species factsScientific nameLeporinus nigrotaeniatusFamilyAnostomidae (Headstanders)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length40.0EnvironmentFreshwater;; pH range: 6.0 - 7.8; dH range: ? - 25 benthopelagicClimateTropicalDistributionSouth America: Negro River basin and Guyana coastal drainages.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More tetras & characinsDarter characinCharacidium fasciatumRedflank bloodfinAphyocharax rathbuniCochu's blue tetraBoehlkea fredcochuiRummy-nose tetraHemigrammus rhodostomusEmber tetraHyphessobrycon amandaeOrnate tetraHyphessobrycon bentosiSee 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