Onychostoma rarum

{{Short description|Species of fish}}

{{Speciesbox

|image =

|taxon=Onychostoma rarum

|authority = (Lin, 1933)

}}

Onychostoma rarum is a species of cyprinid in the genus Onychostoma.{{cite web|url=https://www.iucnredlist.org/species/166087/6169387|title=Onychostoma rarum|publisher=IUCN Red List|accessdate=August 16, 2019}} It inhabits China and has a maximum length of {{convert|29.1|cm|in}}.{{cite web|url=https://www.fishbase.se/summary/Onychostoma-rarum|title=Onychostoma rarum (Lin, 1933)|publisher=FishBase|accessdate=August 16, 2019}}