leuciscus, Eleotris Bleeker [P.] 1853:278 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 4 (no. 2); ref. 12580] Western Sumatra, Indonesia. Holotype (unique): RMNH 4669. •Valid as Hypseleotris leuciscus (Bleeker 1853) -- (Kottelat et al. 1993:134 [ref. 23448], Larson et al. 2008:138 [ref. 29532], Kottelat 2013:394 [ref. 32989], Parenti 2021:48 [ref. 38603]). •Synonym of Hypseleotris cyprinoides (Valenciennes 1837) -- (Thacker & Unmack 2005:2 [ref. 28186], Keith & Mennesson 2023:19 [ref. 40181]). Current status: Synonym of Hypseleotris cyprinoides (Valenciennes 1837). Eleotridae: Eleotrinae. Habitat: freshwater, brackish, marine.