bitaeniatus, Sicyopus Maugé [A. L.], Marquet [G.] & Laboute [P.] 1992:228, Fig. 10 [Cybium v. 16 (no. 3); ref. 19910] Vaioa River, Hiva Oa, Marquesas Islands. Holotype: MNHN 1992-113. Paratypes: MNHN 1992-114 (6), 1992-115 (10). •Valid as Sicyopus bitaeniatus Maugé, Marquet & Laboute 1992 -- (Watson 1995:83 [ref. 21675], Watson 1995:267 [ref. 21888], Marquet et al. 1999:43 [ref. 23934], Watson 1999:97 [ref. 24143], Larson & Murdy 2001:3603 [ref. 26293] dated 1986 [sic], Watson et al. 2001:42 [ref. 25349], Keith et al. 2002:144 [ref. 31473] in the subgenus Smilosicyopus, Keith & Marquet 2005:390 [ref. 28469] in subgenus Smilosicyopus, Keith et al. 2010:303 [ref. 30933] in subgenus Smilosicyopus, Keith et al. 2010:327 [ref. 30747]). •Valid as Smilosicyopus bitaeniatus (Maugé, Marquet & Laboute 1992) -- (Keith et al. 2011 [ref. 31023] based on status of Smilosicyopus, Keith & Taillebois 2014:72 [ref. 33422], Keith et al. 2015:158[ref. 34328], Parenti 2021:424 [ref. 38603]). Current status: Valid as Smilosicyopus bitaeniatus (Maugé, Marquet & Laboute 1992). Oxudercidae: Sicydiinae. Distribution: South Pacific: Marquesas Islands (French Polynesia) endemic [amphidromous]. Habitat: freshwater, brackish, marine.