(Schistura sexcauda)
Schistura sexcauda is a species of ray-finned fish, a stone loach, in the genus Schistura. It is found in the basin of the Chao Phraya River in central Thailand where it has been recorded in streams with a moderate to fast current, in riffles, over substrates consisting of gravel to stone. Some authorities regard Schistura fowleriana as a synonym of this species.