formosum, Osteoglossum Müller [S.] & Schlegel [H.] 1840:7, Pl. 1 [Verhandelingen over de natuurlijke geschiedenis der Nederlandsche overzeesche bezittingen / door de Leden der Natuurkundige Commissie in Indië en andere schrijvers; uitgegeven ... door C. J. Temminck No. 2; ref. 19739] Lake Mahoeroenge, a small lake connected by a narrrow canal to the river Pekoempai, Borneo. Lectotype: RMNH.PISC 3386a. Paralectotypes: RMNH. PISC, D.1646 (2), 3386b (1), SK.366 (1); BMNH 1846.2.16.34 (1). Authorship sometimes seen as Schlegel & Müller in Müller & Schlegel. Neotype designated by Pouyaud (MZB 11877) not needed, as types were reported by van Oijen and van der Meij 2013. Date changed to 1840 (July 2013). Lectotype selected by van Oijen and van der Meij 2013:370 [ref. 32950]. •Valid as Scleropages formosus (Müller & Schlegel 1840) -- (Roberts 1989:23 [ref. 6439], Lim et al. 1990:34 [ref. 16753], Kottelat et al. 1993:3 [ref. 23448], Kottelat & Lim 1996:228 [ref. 23210], Rainboth 1996:55 [ref. 22772], Ng & Tan 1999:352 [ref. 24159], Allen et al. 2002:57 [ref. 25930], Chen 2002:290 [ref. 26587], Pouyaud et al. 2003:294 [ref. 27527], Kottelat & Widjanarti 2005:145 [ref. 28284], Parenti & Lim 2005:178 [ref. 28285], Roberts 2012:114 [ref. 31952], van Oijen & van der Meij 2013:361 [ref. 32950], Kottelat 2013:30 [ref. 32989], Ng et al. 2019:519 [ref. 36606], Taki et al. 2021:41 [ref. 39830], Chan et al. 2023:133 [ref. 40365], Jamandre 2023:172 [ref. 40455]). Current status: Valid as Scleropages formosus (Müller & Schlegel 1840). Osteoglossidae. Distribution: Southeast Asia. Introduced in Hong Kong (China) and the Philippines. Habitat: freshwater.