sericus, Apocryptichthys Herre [A. W. C. T.] 1927:264, Pl. 21 (fig. 1) [Monographs, Bureau of Science Manila Monogr. 23; ref. 2104] Amoy, Fukien, China. Holotype: BSMP 11009 (destroyed, seen by Koumans). Paratypes: (4) BSMP 13053 (1) destroyed, seen by Koumans. Type catalog: Koumans 1940:191 [ref. 2676]. Habitat unknown. •Valid as Apocryptichthys sericus Herre 1927 -- (Zheng 1989:358 [ref. 21202], Wu in Pan et al. 1991:493 [ref. 23876]). •Synonym of Oxuderces dentatus Eydoux & Souleyet 1850 -- (Murdy 1989:20 [ref. 13628], Kottelat 2013:415 [ref. 32989], Jaafar & Parenti 2016:[12] [ref. 34724] dated 1848). Current status: Synonym of Oxuderces dentatus Eydoux & Souleyet 1850. Gobiidae: Oxudercinae. Habitat: freshwater, brackish.