bicolor, Pseudogobio Nichols [J. T.] 1930:1, Fig. 1 [American Museum Novitates No. 440; ref. 16113] Hokou, on lower Chang Jiang [Yangtze River], northeastern Kiangsi Province, China. Holotype (unique): AMNH 9678. , Sun et al. 2025:2030 [ref. 42472] •Synonym of Microphysogobio brevirostris (Günther 1868), but a valid subspecies -- (Bănărescu & Nalbant 1966:195 [ref. 20622]). •Synonym of Microphysogobio fukiensis (Nichols 1926) -- (Yue in Chen et al. 1998:360 [ref. 23878], Kottelat 2013:124 [ref. 32989]). •Valid as Microphysogobio bicolor (Nichols 1930) -- (Sun & Zhao 2022:362 [ref. 38990], Sun et al. 2024:182 [ref. 41617]). •Valid as Mesophysogobio bicolor (Nichols 1930) -- (Sun et al. 2025:2030 [ref. 42472]). Current status: Valid as Mesophysogobio bicolor (Nichols 1930). Gobionidae. Distribution: East Asia: Yangtze River basin (China). IUCN (2024): Not Assessed. Habitat: freshwater.