Flathead chub
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Cypriniformes
- family: Cyprinidae
- genus: Platygobio
- species: Platygobio gracilis
Edmonton- Fort McMurray
- Peace River
Alberta- Saskatoon
Saskatchewan
Canada
Salamanca
Guanajuato
Mexico
Pueblo
Colorado- Leavenworth
Kansas- Broadus
Montana- Columbus
- Gothenburg
- Louisville
Nebraska- Albuquerque
- Bernalillo
- Bosque Farms
- Carlsbad
- Cimarron
- Corrales
- Española
- Fort Sumner
- Jarales
- Jemez Pueblo
- La Huerta
- La Mesilla
- Las Vegas
- Lee Acres
- Logan
- Los Chaves
- Los Lunas
- Los Ranchos de Albuquerque
- North Valley
- Ohkay Owingeh
- Peralta
- Rio Communities
- San Felipe Pueblo
- Santa Clara Pueblo
- Santa Rosa
- Santo Domingo Pueblo
- Socorro
- South Valley
- Springer
- Tome
- Valencia
New Mexico- White River
South Dakota- Canadian
Texas- Moorcroft
Wyoming
United States