(Scaphiodonichthys acanthopterus)
Scaphiodonichthys acanthopterus is a freshwater fish of the family Cyprinidae (carps and minnows). It is found in clear, fast-moving streams and tributaries of the Mekong, Nam Xam, Da and Chao Phraya river basins in Indochina. S. acanthopterus is most commonly found in waterways with a rocky bottom and under complete tree cover.