Riffle Chub
Algansea aphanea
- Endangered
- Card rarity: Epic
- Fish

The riffle chub is a species of freshwater fish in the family Cyprinidae that is endemic to the Armería, Ayutla and Tuxpan river basins in Jalisco and Colima of west-central Mexico. This threatened species is generally found in small rivers and streams in fast-flowing waters that are 18–22 °C (64–72 °F). It typically is 5–10 cm (2–4 in) long.
Classification
- Class
- Actinopterygii
- Order
- Cypriniformes
- Family
- Leuciscidae
- Genus
- Algansea