HomeFish encyclopediaRay-finned fishesCatfishEeltail catfishesIdenburg tandan Idenburg tandan (Neosilurus idenburgi) Scientific name: Neosilurus idenburgi Nichols, 1940 The Idenburg tandan (Neosilurus idenburgi) is a freshwater fish of the family Plotosidae. Native range: Asia and Oceania, northern New Guinea. BiologyDorsal spines (total): 1; Dorsal soft rays (total): 5-8; Anal spines: 0; Anal soft rays: 78 - 86Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeosilurus idenburgiFamilyPlotosidae (Eeltail catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length27.0EnvironmentFreshwater; demersalClimateTropicalDistributionAsia and Oceania: northern New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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