badius, Euctenogobius Gill [T. N.] 1859:47 [Annals of the Lyceum of Natural History of New York v. 7 (nos 1-3, art. 10); ref. 1754] Amazon River mouth. Holotype (unique): USNM 6091. Type catalog: Koumans 1940:132 [ref. 2676] as probably type. •Synonym of Awaous flavus (Valenciennes 1837) -- (Watson & Horsthemke 1995:84 [ref. 21933], Kullander in Reis et al. 2003:658 [ref. 27061], Lasso-Alcalá & Lasso 2008:121 [ref. 30588]). Current status: Synonym of Awaous flavus (Valenciennes 1837). Gobiidae: Gobionellinae. Habitat: freshwater, brackish, marine.