Hemimyzon sheni (Shen's river loach) is a species of ray-finned fish in the genus Hemimyzon.

It is only known from Tar-Ju River basin, Taitung County, southeast Taiwan, where its type locality is.

Among its relatives, H. sheni most closely resembles H. formosanus, but it seems to be more a head-water species than H.

[1] It is a small species with standard length of 5 cm (2.0 in).

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