HomeFish encyclopediaRay-finned fishesCatfishEeltail catfishesSilver tandan Silver tandan (Porochilus argenteus) Scientific name: Porochilus argenteus Zietz, 1896 The Silver tandan (Porochilus argenteus) is a freshwater fish of the family Plotosidae. In the aquarium it needs water at 5–30°C (41–86°F). Native range: Oceania, endemic to Australia. Silver tandan care at a glanceTemperature5–30°C (41–86°F) BiologyFound in slow-flowing streams over sand or rock bottoms.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePorochilus argenteusFamilyPlotosidae (Eeltail catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Common length20.0EnvironmentFreshwater;; pH range: 7.5 - 8.2; dH range: 20 - 40 demersalClimateTropicalDistributionOceania: endemic to Australia.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesGamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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