HomeFish encyclopediaRay-finned fishesCatfishShark catfishesSpot pangasius Spot pangasius (Pangasius larnaudii) Scientific name: Pangasius larnaudii Bocourt, 1866 The Spot pangasius (Pangasius larnaudii) is a freshwater fish of the family Pangasiidae. Native range: Asia, Mekong and Chao Phraya basins. BiologyAnal soft rays: 28 - 32. A large black spot above the base of the pectoral fin and a black longitudinal stripe along each caudal lobe. Dorsal and pectoral fins with a strong spine and a long, filamentous rays. With 13-17 gill rakers in first arch.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePangasius larnaudiiFamilyPangasiidae (Shark catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length130EnvironmentFreshwater; benthopelagic; potamodromousClimateTropicalDistributionAsia: Mekong and Chao Phraya basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquaculture: commercial SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026