smaragdus, Eleotris Valenciennes [A.] in Cuvier & Valenciennes 1837:231 [Histoire naturelle des poissons v. 12; ref. 1006] Havana, Cuba. Holotype (unique): MNHN A-1571. Type catalog: Bauchot et al. 1991:15 [ref. 19958]. •Valid as Eleotris smaragdus Valenciennes 1837 -- (Miller 1998:289 [ref. 24950]). •Valid as Ginonellus smaragdus (Valenciennes 1837) -- (Camargo & Isaac 2001:142 [ref. 27639]). •Valid as Erotelis smaragdus (Valenciennes 1837) -- (Pezold & Edwards 1983:104 [ref. 37431], Robins & Ray 1986:240 [ref. 23100], Boschung 1992:162 [ref. 23239], Cervigón 1994:144 [ref. 24488], Greenfield & Thomerson 1997:229 [ref. 22947], Castro-Aguirre et al. 1999:419 [ref. 24550], Smith-Vaniz et al. 1999:312 [ref. 25013], Murdy & Hoese 2003:1780 [ref. 27111], Menezes in Menezes et al. 2003:97 [ref. 27192], Smith et al. 2003:58 [ref. 27621], Ross & Rhode 2004:302 [ref. 27789], Nelson et al. 2004:169 [ref. 27807], McEachran & Fechhelm 2005:658 [ref. 28815], Matamoros et al. 2009:23 [ref. 31241], Page et al. 2013:174 [ref. 32708], Page et al. 2013:174 [ref. 32708], Smith-Vaniz & Jelks 2014:74 [ref. 33341], Costa et al. 2017:46 [ref. 35684], Carvalho-Filho in Marceniuk et al. 2021:225 [ref. 38945], Parenti 2021:40 [ref. 38603], Angulo et al. 2023:33 [ref. 40676], Carvalho-Filho 2023:234 [ref. 40480], Page et al. 2023:120 [ref. 40505]). Current status: Valid as Erotelis smaragdus (Valenciennes 1837). Eleotridae: Eleotrinae. Distribution: Western Atlantic: Florida (U.S.A.) and Bahamas south to Espírito Santo (Brazil), including Gulf of Mexico and Caribbean Sea. Habitat: freshwater, brackish, marine.