similis, Akysis Ng [H. H.] & Kottelat [M.] 1998:1074, Figs. 4e, 9, 13c [Journal of Natural History v. 32 (no. 7); ref. 23903] Knh Thuy Cai canal, 10 kilometers east of Vinh Long, at mouth of canal into Mekong River, Vietnam. Holotype: UMMZ 214902. Paratypes: UMMZ 214903-09 (100, 3, 10, 9, 37, 7, 4), 217740 (1), 21792 (1), 224615 (3), 224621 (2), 226871 (2), 227494-96 (2, 1, 1); ZRC 40718 [ex UMMZ] (5). Type catalog: Ferraris 2007:17 [ref. 29155], Ng & Kim 2008:12 [ref. 29920] •Valid as Akysis similis Ng & Kottelat 1998 -- (Ng & Rainboth 2005:41 [ref. 28353]). •Valid as Pseudobagarius similis (Ng & Kottelat 1998) -- (Ferraris 2007:17 [ref. 29155], Kottelat 2013:220 [ref. 32989], Ng & Kottelat 2021:329 [ref. 38407], Taki et al. 2021:297 [ref. 39830]). Current status: Valid as Pseudobagarius similis (Ng & Kottelat 1998). Akysidae: Akysinae. Distribution: Southeast Asia: lower Mekong River basin, Vietnam and Cambodia. Habitat: freshwater, brackish.