Columbia River dace
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Cypriniformes
- family: Cyprinidae
- genus: Ptychocheilus
- species: Ptychocheilus oregonensis
Kamloops- Sicamous
- Vanderhoof
British Columbia
Canada
Kelseyville- Napa
- Seven Trees
California- Centralia
- Kennewick
- Prosser
- Sunnyslope
Washington
United States