HomeFreshwater aquarium fishCatfish & plecosGiant pangasius Giant pangasius (Pangasius sanitwongsei) Scientific name: Pangasius sanitwongsei Smith, 1931 The Giant pangasius (Pangasius sanitwongsei) is a freshwater fish of the family Pangasiidae. Native range: Asia, Chao Phraya and Mekong basins. BiologyFins are pigmented with dusky melanophores. First soft ray in dorsal, pectoral and pelvic fins prolonged into a filament. Broad head; black tips on first few anal-fin rays in individuals of all sizes, particularly in juveniles; palatine and vomerine teeth united into a single long crescentic patch. Mouth wide, its width 5.5-5.9 times in SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePangasius sanitwongseiFamilyPangasiidae (Shark catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length300Common length50.0EnvironmentFreshwater; benthopelagic; potamodromousClimateTropicalDistributionAsia: Chao Phraya and Mekong basins.Conservation status (IUCN)Critically Endangered (CR) (A2acd)Threat to humansHarmlessUsesFisheries: commercial; aquaculture: commercial; aquarium: commercial More catfish & plecosHemiancistrus subviridisOtocinclus cocamaParotocinclus jumboRedtail catfishPhractocephalus hemioliopterusBlue panaqueBaryancistrus begginiBloch's catfishPimelodus blochiiSee all catfish & plecos SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026