Opua Jordan [E. K.] 1925:36 Masc. Opua nephodes Jordan 1925. Type by original designation (also monotypic). •Valid as Opua Jordan 1925 -- (Birdsong et al. 1988:193 [ref. 7303], Larson & Murdy 2001:3584 [ref. 26293], Hoese & Larson 2006:1668 [ref. 29097], Thacker 2011:131 [ref. 31731], Parenti 2021:205 [ref. 38603]). •Synonym of Hazeus Jordan & Snyder 1901 -- (see Anderson et al. 1998:27 [ref. 23611], Allen & Erdmann 2021:37 [ref. 38393], Allen et al. 2024:2 [ref. 41004]). Current status: Synonym of Hazeus Jordan & Snyder 1901. Gobiidae: Gobiinae.