Hudosnius is a genus of freshwater ray-finned fishes belonging to the family Leuciscidae, the shiners, daces and minnows. This fishes in this genus are found in North America.
Species Hudsonius contains the following species: Hudsonius altipinnis (Cope, 1870) (Highfin shiner) Hudsonius hudsonius (Clinton, 1824) (Spottail shiner)
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