HomeFreshwater aquarium fishOther freshwater fishNarrowfront tandan Narrowfront tandan (Neosilurus ater) Scientific name: Neosilurus ater Perugia, 1894 The Narrowfront tandan (Neosilurus ater) is a freshwater fish of the family Plotosidae. In the aquarium it needs water at 22–30°C (72–86°F). Native range: Oceania, northern Australia and central-southern New Guinea. Narrowfront tandan care at a glanceTemperature22–30°C (72–86°F) BiologyDorsal spines (total): 1; Dorsal soft rays (total): 5-6; Anal spines: 0; Anal soft rays: 89 - 105Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeosilurus aterFamilyPlotosidae (Eeltail catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length47.0Common length25.0EnvironmentFreshwater; demersalClimateTropicalDistributionOceania: northern Australia and central-southern New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesAquaculture: experimental; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More other freshwater fishFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaShort-tailed pipefishMicrophis brachyurus brachyurusPumpkinseedLepomis gibbosusLined soleAchirus lineatusSouth American lungfishLepidosiren paradoxaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026