Lavinia exilicauda, the hitch, is a species of freshwater ray-finned fish belonging to the family Leuciscidae, which includes the daces, chubs, Eurasian minnows and related fishes. This species is endemic to central California, and was once very common. The common name may derive from a Pomoan word for this species. It is the only species in the monospecific genus Lavinia.

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