maculatus, Mastacembelus Cuvier [G.] in Cuvier & Valenciennes 1832:461 [Histoire naturelle des poissons; ref. 1000] Molucca Islands [in error, East Indies]. Syntypes: MNHN 0000-5378 (2). Also appeared in Griffith & Smith 1834:Pl. 47 (fig. 2) (opp. p. 190) [ref. 1908]. •Valid as Mastacembelus maculatus Cuvier 1832 -- (Roberts 1989:181 [ref. 6439], Lim et al. 1990:51 [ref. 16753] with author Valenciennes). •Valid as Macrognathus maculatus (Cuvier 1832) -- (Travers 1984:144 [ref. 5147], Kottelat et al. 1993:167 [ref. 23448], Kottelat & Lim 1996:249 [ref. 23210], Rainboth 1996:178 [ref. 22772], Ng & Tan 1999:364 [ref. 24159], Tan & Lim 2004:111 [ref. 27716], Grinang & Lim 2004:291 [ref. 28551], Kottelat & Widjanarti 2005:169 [ref. 28284], Kottelat 2013:311 [ref. 32989], Sulaiman et al. 2018:36 [ref. 35802], Ng et al. 2019:533 [ref. 36606], Ng & Tan 2020:176 [ref. 37671], Jamaluddin et al. 2022:[7] [ref. 39245], Ahmad et al. 2023:120 [ref. 41243]). Current status: Valid as Macrognathus maculatus (Cuvier 1832). Mastacembelidae. Distribution: Southeast Asia: Cambodia and Vietnam to Malaysia, Sumatra and Borneo (Sabah and Sarawak). IUCN (2020): Least Concern. Habitat: freshwater.