Belligobio is a small genus of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons. The fishes in this genus are found in China and Japan. The type species of Belligobio is Belligobio eristigma, a taxon which has been regarded as a synonym of Hemibarbus mylodon, a species not currently classified in Belligobio and some authorities suggest that Belligobio is a sub-genus within Hemibarbus. However, Eschmeyer's Catalog of Fishes, recognises B. eristigma as a separate valid species.

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