The mountain chub (Algansea monticola) is a species of freshwater fish in the family Leuciscidae; the shiners, daces and minnows. This species is endemic to the Huaynamota (part of the Grande de Santiago River basin), Juchipila (upper Lerma River basin) and Bolaños rivers (forming a link between Huaynamota and Juchipila) in west-central Mexico.