The Kura gudgeon (Romanogobio persus) is a species of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons. This species is found in the Kura and Aras basins in Europe and Asia.Naseka, A.M. and J. Freyhof, 2004. Romanogobio parvus, a new gudgeon from River Kuban, southern Russia (Cyprinidae, Gobioninae). Ichthyol. Explor. Freshwat. 15(1):17-23.
This species reaches a length of .
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