Microdevario microphthalma is a species of freshwater ray-finned fish belonging to family Danionidae. This species is endemic to small hill streams in Yunnan, China. It belongs to the genus Microdevario, which contains small danionins. 2009. Molecular phylogenetic interrelationships of the south Asian cyprinid genera Danio, Devario, and Microrasbora (Teleostei, Cyprinidae, Danioninae). Zoologica Scripta 38:237-256. It reaches up to in standard length,its maximum size can reach to .
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