melanogaster, Pimelodus Bleeker [P.] 1854:89 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 7 (no. 1); ref. 16939] Eastern Sumatra, Palembang Province, confluence of Lamatang and Enim rivers, Indonesia. Holotype (unique): BMNH 1863.12.4.160. Bleeker specimens: RMNH 15972 (1). Type catalog: Ferraris 2007:13 [ref. 29155]. See van Oijen et al. 2009:195 [ref. 30423]. •Questionably valid as Acrochordonichthys melanogaster (Bleeker 1854) -- (Roberts 1989:138 [ref. 6439], Burgess 1989:118 [ref. 12860], Kottelat et al. 1993:74 [ref. 23448]). •Valid as Acrochordonichthys cf. melanogaster (Bleeker 1854) -- (Tan & Ng 1999:288 [ref. 24254]). •Synonym of Acrochordonichthys rugosus (Bleeker 1846) -- (Ng & Ng 2001:411 [ref. 25771], Ferraris 2007:13 [ref. 29155], Kottelat 2013:217 [ref. 32989]). Current status: Synonym of Acrochordonichthys rugosus (Bleeker 1846). Akysidae: Parakysinae. Habitat: freshwater.