flavus, Cryptocentrus Yanagisawa [Y.] 1978:274, Pl. 1 (fig. b); Figs. 2, 3b [Publications of the Seto Marine Biological Laboratory v. 24 (nos 4/6); ref. 7028] Kabira Bay, Ishigaki Island, Yaeyama Islands [Nansei Islands], southern Ryukyu Islands, Japan, depth 1 meter. Holotype: SMBL 290 [not seen at FAKU]. Paratypes: SMBL 291-92 (1, 1) [not seen at FAKU]. Type catalog: Harada 1991:222 [ref. 20030]. •Valid as Cryptocentrus flavus Yanagisawa 1978 -- (Akihito in Masuda et al. 1984:258 [ref. 6441], Parenti 2021:126 [ref. 38603]). Current status: Valid as Cryptocentrus flavus Yanagisawa 1978. Gobiidae: Gobiinae. Distribution: Eastern Indian Ocean, western Pacific: Singapore and Indonesia east to Palau and Chuuk (Micronesia), north to Ryukyu Islands (Japan), south to southern Great Barrier Reef (Queensland, Australia). Habitat: marine.