tenuis, Nemacheilus Day [F.] 1877:796 [Proceedings of the Zoological Society of London 1876 (pt 4) (art. 2) (for 5 Dec. 1876); ref. 14207] Aktash (12600 eet) where waters of Ak-su pass to Oxus; Yankihissar (4320 feet) where rivers go to Yarkand River. Syntypes and/or Day specimens: BMNH 1889.2.1.1716-1717 (2); NMW 48477 (1); ZSI 684-686 (3), 709 (1, destroyed), 710-11 (2). Type catalog: Whitehead & Talwar 1976:157 [ref. 23762]. •Synonym of Nemacheilus stoliczkai (Steindachner 1866) -- (Berg 1949:864 [ref. 20661] as Nemachilus). •Valid as Nemacheilus tenuis Day 1877 -- (Coad 1981:15 [ref. 22348] as Noemacheilus). •Valid, or a synonym of Nemacheilus stoliczkai (Steindachner 1866) -- (Coad 1995:23 [ref. 23608]). •Valid as Indotriplophysa tenuis (Day 1877) -- (Kottelat 2012:86 [ref. 32367]). •Valid as Triplophysa tenuis (Day 1877) -- (Zhu 1989:95 [ref. 17744], Wu & Wu 1992:184 [ref. 21205], Zhu 1995:116 [ref. 25213], Nalbant & Bianco 1998:116 [ref. 23810], Prokofiev 2001:194 [ref. 26613] dated 1876, Prokofiev 2007:7 [ref. 28990], Prokofiev 2006:257 [ref. 29061], Li et al. 2007:47 [ref. 29309], Prokofiev 2010:895, 896 [ref. 31096] with comment, Li et al.2015:423 [ref. 33642], Zhang et al. 2016:144 [ref. 34477], Sheraliev & Peng 2021:10 [ref. 38329], Sheraliev et al. 2022:62 [ref. 39759], Çiçek et al. 2023:49 [ref. 40326]). Current status: Valid as Triplophysa tenuis (Day 1877). Nemacheilidae. Distribution: Central Asia: Yarkand River basin, Qinghai-Tibetan Plateau (India) and Hei and Shule River drainages (China). Habitat: freshwater.