tchangi, Hemiculter Fang [P.-W.] 1942:110 [Bulletin du Muséum National d'Histoire Naturelle (Série 2) v. 14 (no. 2); ref. 13174] Szechuan, China. Holotype (unique): MNHN 1934-0101. Type catalog: Bertin & Estève 1948:83 [ref. 19574]. Apparently not based on a hybrid, Deng et al. 2024:12 [ref. 41151]. •Based on a hybrid, in the synonymy of Hemiculter nigromarginis Yih & Wu 1964 -- (Vasil'eva et al. 2022:8 [ref. 38982]). •Valid as Hemiculter tchangi Fang 1942 -- (Ding 1994:217 [ref. 21531], Luo & Chen in Chen et al. 1998:166 [ref. 23878], Zhang et al. 2016:60 [ref. 34477], Zhang et al. 2019:177 [ref. 36699], Guo 2021:145 [ref. 38617], Deng et al. 2024:10 [ref. 41151]). Current status: Valid as Hemiculter tchangi Fang 1942. Xenocyprididae. Distribution: East Asia: Yangtze River basin, China. Habitat: freshwater.