arenicolus, Nemacheilus Kottelat [M.] 1998:65, Figs. 102, 106 [Ichthyological Exploration of Freshwaters v. 9 (no. 1); ref. 23436] Nam Xot in Ban Nam Xot, 17°53'20"N, 105°05'10"E, Laos. Holotype: ZRC 41790. Paratypes: CMK 12528 (7), 12553 (14), 12662 (13), 12804 (27); NRM 36705 (5); ZRC 41791 (5). •Valid as Nemacheilus arenicolus Kottelat 1998 -- (Freyhof & Serov 2001:137 [ref. 25364], Kottelat 2001:100 [ref. 25780], Bohlen & Šlechtová 2011:204 [ref. 31485], Kottelat 2012:90 [ref. 32367], Kottelat 2013:200 [ref. 32989], Kottelat 2015:44 [ref. 33971], Taki et al. 2021:224 [ref. 39830]). Current status: Valid as Nemacheilus arenicolus Kottelat 1998. Nemacheilidae. Distribution: Southeast Asia: Nam Theun River basin endemic, central Laos. Habitat: freshwater.