HomeFish encyclopediaRay-finned fishesCatfishEeltail catfishesShortfin tandan Shortfin tandan (Neosilurus brevidorsalis) Scientific name: Neosilurus brevidorsalis G?nther, 1867 The Shortfin tandan (Neosilurus brevidorsalis) is a freshwater fish of the family Plotosidae. Native range: Asia and Oceania, northern Australia and central-southern New Guinea. BiologyOccurs in lakes, swamps and rivers, including turbid backwaters and clear, flowing tributaries. Inhabits bottom of warm, clear, flowing streams; also lives in billabongs and flooded lagoons. Feeds on insects, prawns, mollusks and small crayfish. Reaches sexual maturity at about 12 centimeters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeosilurus brevidorsalisFamilyPlotosidae (Eeltail catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length15.0EnvironmentFreshwater; demersalClimateTropicalDistributionAsia and Oceania: northern Australia and central-southern New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesFisheries: commercial; gamefish: yesResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026