melanopus, Gobius Bleeker [P.] (ex Castelnau) 1860:456 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 20 (no. 3); ref. 14028] Singapore. Holotype (unique): wherebouts unknown. Based on a color painting in the Zoological Museum, University of Liège (see Russell et al. 2010:99 [ref. 30735]). •Valid as `Cryptocentrus' melanopus (Bleeker 1860) -- (Larson in Randall & Lim 2000:637 [ref. 25122]). •Synonym of Cryptocentrus leptocephalus Bleeker 1876 -- (Larson et al. 2008:147 [ref. 29532]). •Nomen oblitum, in the synonymy of the nomen protectum Crytocentrus leptocephalus Bleeker 1876 -- (Russell et al. 2010:99 [ref. 30735]). •Valid as Cryptocentrus melanopus (Bleeker 1860) -- (Hoese et al. 2011:170 [ref. 31450], Allen & Erdmann 2012:874 [ref. 31980], Larson et al. 2013:194 [ref. 32988], Parenti 2021:128 [ref. 38603]). Current status: Valid as Cryptocentrus melanopus (Bleeker 1860). Gobiidae: Gobiinae. Distribution: Eastern Indian Ocean, western Pacific: Singapore, Malaysia, Brunei, Vietnam, Indonesia and Australia. Habitat: marine.