Opsariichthys is a genus of freshwater ray-finned fish belonging to the family Xenocyprididae, the East Asian minnows or sharpbellies[2][1] found in freshwater habitats in Mainland China (including Hainan), Taiwan, Japan, Korea, and Vietnam.

[3] These are the species, some with uncertain status:[2][4] The status of Opsariichthys bea and Opsariichthys hieni are uncertain; the former might belong to the genus Parazacco and the latter to Rasbora.

[4][3]

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