HomeFish encyclopediaRay-finned fishesCatfishEeltail catfishesRendahl's catfish Rendahl's catfish (Porochilus rendahli) Scientific name: Porochilus rendahli Whitley, 1928 The Rendahl's catfish (Porochilus rendahli) is a freshwater fish of the family Plotosidae. In the aquarium it needs water at 18–20°C (64–68°F). Native range: Oceania, endemic to Australia. Rendahl's catfish care at a glanceTemperature18–20°C (64–68°F) BiologyOccurs in billabongs and streams in slow to fast-flowing water that is clear to turbid with rock, gravel or sand bottoms. Feeds partly on mollusks.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePorochilus rendahliFamilyPlotosidae (Eeltail catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0EnvironmentFreshwater;; pH range: 7.3 - 8.3; dH range: ? - 20 demersalClimateTropicalDistributionOceania: endemic to Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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