Opsariichthys duchuunguyeni is a species of freshwater ray-finned fish belonging to the family Xenocyprididae, the East Asian minnows or sharpbellies.

[1] It inhabits Vietnam[1] and has a maximum male length of 7.3 centimetres (2.9 in)[1] and a maximum female length of 6.1 centimetres (2.4 in).

[1]

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