(Sinocyclocheilus donglanensis)
Sinocyclocheilus donglanensis (Donglan golden-line barbel) is a species of cave fish in the family Cyprinidae. It is endemic to Guangxi province in southern China, and only known from a subterranean tributary of the Hongshui River, a tributary of the Pearl River. Its specific name donglanensis refers to the Donglan County where its type locality is located. It is not known from elsewhere.