HomeFish encyclopediaRay-finned fishesCatfishBagrid catfishesFalse black lancer False black lancer (Bagrichthys macropterus) Scientific name: Bagrichthys macropterus Bleeker, 1853 The False black lancer (Bagrichthys macropterus) is a freshwater fish of the family Bagridae. Native range: Asia, Thailand to Indonesia. BiologyDorsal soft rays (total): 8; Anal soft rays: 14. Short dorsal-fin spine; small round mouth opening.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBagrichthys macropterusFamilyBagridae (Bagrid catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentFreshwater; demersal; potamodromousClimateTropicalDistributionAsia: Thailand to Indonesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, 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