Placogobio is a genus of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons. The species in this genus native to Vietnam and China.
Species Placogobio contains the following valid species: Placogobio bacmeensis V. H. Nguyễn & V. B. Vo, 2002 Placogobio basipunctatus Endruweit, 2025 Placogobio incisorbis (L. P. Zheng, J. X. Yang & X. Y. Chen, 2016) Placogobio micropulvinus (W. Zhou, X. F. Pan & Kottelat, 2005) Placogobio nahangensis V. H. Nguyễn, 2002 Placogobio varidiscus (Thoni & Arrindell, 2025)
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