Tor douronensis, also recognized as Labeobarbus douronensis, belongs to the Cyprinidae family and the Tor genus. This freshwater fish is native to various regions, spanning from southern Thailand, extending eastward to Vietnam, and southward to Indonesia. It primarily inhabits the Chao Phraya and Mekong rivers. Initially attributed to Valenciennes, the species was described based on specimens collected in Java by Kuhl and Van Hesselt, who named it "Dourr." The type locality is Java, Indonesia, with the holotype preserved at the Bogor Zoology Museum.