rubripinnis, Cotylopus Keith [P.], Hoareau [T.] & Bosc [P.] 2005:1397, Figs. 1-3 [Journal of Natural History v. 39 (no. 17); ref. 28139] Koualé River, Mayotte Island, Comoros, western Indian Ocean. Holotype: MNHN 2004-0560. Paratypes: MNHN 2004-0561 (8). •Valid as Cotylopus rubripinnis Keith, Hoareau & Bosc 2005 -- (Keith et al. 2015:38 [ref. 34328], Larson 2022:178 [ref. 39971]). Current status: Valid as Cotylopus rubripinnis Keith, Hoareau & Bosc 2005. Gobiidae: Sicydiinae. Distribution: Western Indian Ocean: Comoros, Mayotte (France) [amphidromous]. Habitat: freshwater, brackish, marine.