HomeFreshwater aquarium fishTetras & characinsSilver distichodus Silver distichodus (Distichodus affinis) Scientific name: Distichodus affinis G?nther, 1873 The Silver distichodus (Distichodus affinis) is a freshwater fish of the family Distichodontidae. In the aquarium it needs water at 23–27°C (73–81°F). Native range: Africa, Central Congo basin and Lower Congo. Silver distichodus care at a glanceTemperature23–27°C (73–81°F) Species factsScientific nameDistichodus affinisFamilyDistichodontidaeOrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length20.0EnvironmentFreshwater;; dH range: 6 - 8 pelagicClimateTropicalDistributionAfrica: Central Congo basin and Lower Congo.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsMarbled headstanderAbramites hypselonotusStriped headstanderAnostomus anostomusOneline pencilfishNannostomus unifasciatusBarred pencilfishNannostomus espeiGolden pencilfishNannostomus beckfordiRedspotted tetraCopeina guttataSee 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