nudus, Nemacheilus Bleeker [P.] 1864:12 [Nederlandsch Tijdschrift voor de Dierkunde v. 2; ref. 17027] Mongolia [brought from China]. Apparently Hebei, Chongli county, Siwantse [Xiwanzi], 40°58'25"N, 115°16'22"E, China. [Possibly Daling or Liao Rivers, Liaoning, China] Holotype (unique): MNHN 0000-1450. Type catalog: Bertin & Estève 1948:98 [ref. 19574]. Locality information from Kottelat 2012:78 [ref. 32367]; also a lengthy discussion of status. •Mentioned -- (Ding 1994:78 [ref. 21531]). •Synonym of Barbatula barbatula (Linnaeus 1758), but a valid subspecies nuda (Bleeker 1864) -- (Zhu 1989:26 [ref. 17744], Zhu 1995:108 [ref. 25213]). •Valid as Orthrias nudus (Bleeker 1864) -- (Kim 1997:283 [ref. 24032], Kim & Park 2002:195 [ref. 25913]). •Questionably a senior synonym of Barbatula toni (Dybowski 1869) -- (Kottelat 2006:53 [ref. 28831], Bogutskaya et al. 2008:339 [ref. 30085]). •In Barbatula -- (based on status of Barbatula). •Valid as Barbatula nuda (Bleeker 1864) -- (Wang et al. 2001:168 [ref. 26566], Cao et al. 2012:237 [32335], Kottelat 2012:78 [ref. 32367], Prokofiev 2015:461 [ref. 34065], Zhang et al. 2016:127 [ref. 34477], Prokofiev 2016:396 [ref. 34693], Prokofiev 2018:273 [ref. 35878], Chen et al. 2019:6 [ref. 36569] dated 1865, An et al. 2021:121 [ref. 38850], Du et al. 2021:4 [ref. 38600], Dyldin et al. 2023:[8] [ref. 40328] with question). Current status: Valid as Barbatula nuda (Bleeker 1864). Nemacheilidae. Distribution: East Asia: Liao and Taizi River drainages (northern China) and northern Korea. Habitat: freshwater.