erythrotaenia, Mastacembelus Bleeker [P.] 1850:6 [Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen. v. 23 (no. 5); ref. 16882] Rivers in Banjermassing, Borneo, Indonesia. RMNH 6437 (1 of 6). Regarded as a nomen protectum by Kottelat 2013:313 [ref. 32989]. •Valid as Mastacembelus erythrotaenia Bleeker 1850 -- (Travers 1984:143 [ref. 5147], Roberts 1986:105 [ref. 5802], Roberts 1989:181 [ref. 6439], Kottelat et al. 1993:168 [ref. 23448], Kottelat & Lim 1996:249 [ref. 23210], Rainboth 1996:180 [ref. 22772], Ng & Tan 1999:364 [ref. 24159], Kottelat & Widjanarti 2005:169 [ref. 28284], Kottelat 2013:313 [ref. 32989], Sulaiman et al. 2018:36 [ref. 35802], Ng et al. 2019:533 [ref. 36606], Vu et al. 2019:150 [ref. 37811], Ng & Tan 2020:176 [ref. 37671], Taki et al. 2021:349 [ref. 39830]). Current status: Valid as Mastacembelus erythrotaenia Bleeker 1850. Mastacembelidae. Distribution: Southeast Asia: Malaya (Malaysia), Sumatra and Borneo, Thailand and Vietnam. Habitat: freshwater.