Sinocyclocheilus yimenensis (common name: Yimen golden-line barbel) is a species of cave fish in the family Cyprinidae.
Its specific name yimenensis refers to the Yimen County where its type locality is.
[2] It grows to 10.5 cm (4.1 in) standard length and has a scaled, elongated body.
The colouration is golden with a darker back and with some dark speckles.
[2] The type locality is an exit of a subterranean stream.