dayi, Mastacembelus Boulenger [G. A.] 1912:200 [Journal of the Academy of Natural Sciences, Philadelphia. Second series. v. 15; ref. 17958] Mandalay, Myanmar. Lectotype: MSNG 15115. Based on Mastacembelus unicolor of Day 1876:339, Pl. 72 (fig. 2) and of Vinciguerra 1890:179. Lectotype selected by Britz 2017:80 [ref. 35487]. •Valid as Mastacembelus dayi Boulenger 1912 -- (Roberts 1986:105 [ref. 5802], Talwar & Jhingran 1991:1032 [ref. 20764], Kottelat 2013:313 [ref. 32989]). •Synonym of Mastacembelus alboguttatus Boulenger 1893 -- (Britz 2017:80 [ref. 35487]). Current status: Synonym of Mastacembelus alboguttatus Boulenger 1893. Mastacembelidae. Habitat: freshwater.