''Metzia longinasus'' is a species of cyprinid in the genus ''

Metzia ''Metzia'' is a genus of cyprinid fish that is found in eastern Asia. The genus is named in honor of the American ichthyologist Charles William Metz of Stanford University. Species There are currently 8 recognized species in this genus: * ''Metz ...

''. It inhabits the

Hongshui River The Hongshui River is a major river in the Guangxi Zhuang Autonomous Region in Southern China. It is one of the main rivers in the basin of the Xi River, which in its turn is one of the main tributaries of the Pearl River. Because it flows thr ...

in southern China and has a maximum length of .

References

Cyprinidae Cyprinid fish of Asia Freshwater fish of China {{Cyprinidae-stub