ephippifer, Akysis Ng [H. H.] & Kottelat [M.] 1998:1078, Figs. 4h, 11, 13f [Journal of Natural History v. 32 (no. 7); ref. 23903] Stung Santréa, 40 kilometers from Pomnac, Cambodia. Holotype: MNHN 1977-0034. Paratypes: MNHN 1997-0035 to 0038 (5, 6, 5, 3); CMK 4296 (1, c&s), 11936 (6), 11938 (3); ZRC 40713 (6). Type catalog: Ferraris 2007:14 [ref. 29155], Ng & Kim 2008:7 [ref. 29920]. •Valid as Akysis ephippifer Ng & Kottelat 1998 -- (Ng & Tan 1999:362 [ref. 24159], Kottelat 2001:138 [ref. 25780] = bilustris, Ng & Freyhof 2003:315 [ref. 27399], Ng & Rainboth 2005:33 [ref. 28353], Page et al. 2007:292 [ref. 29140], Ferraris 2007:14 [ref. 29155], Ng 2011:66 [ref. 31572], Kottelat 2013:218 [ref. 32989], Taki et al. 2021:299 [ref. 39830], Ng et al. 2022:7 [ref. 39344]). Current status: Valid as Akysis ephippifer Ng & Kottelat 1998. Akysidae: Akysinae. Distribution: Southeast Asia: lower Mekong River basin, Cambodia. Habitat: freshwater.