mexicanus, Gerres Steindachner [F.] 1863:383, Pl. 15 [Verhandlungen der K.-K. zoologisch-botanischen Gesellschaft in Wien v. 13; ref. 18755] Río Teapa, Tabasco, Mexico. Syntypes: NMW 72289 (1), 78820 (2). •Valid as Diapterus mexicanus (Steindachner 1863) -- (Espinosa Pérez et al. 1993:65 [ref. 22290], Miller 2006:345 [ref. 28615]). •Valid as Eugerres mexicanus (Steindachner 1863) -- (Deckert & Greenfield 1987:192 [ref. 6778], Castro-Aguirre et al. 1999:326 [ref. 24550], Gilmore & Greenfield 2003:1509 [ref. 27093], Nelson et al. 2004:144 [ref. 27807], González-Acosta et al. 2005:661 [ref. 28660], Page et al. 2013:148 [ref. 32708], González-Acosta & Rodiles-Hernández 2013:312 [ref. 32753], Martínez-Guevara et al. 2016:393 [ref. 34136], López-Segovia et al. 2020:111 [ref. 38151], Barrientos et al. 2023:275 [ref. 41235], Page et al. 2023:173 [ref. 40505], Quintana 2024:8 [ref. 41186]). Current status: Valid as Eugerres mexicanus (Steindachner 1863). Gerreidae. Distribution: Southern North America, Central America: Atlantic slope (Mexico and Guatemala). IUCN (2020): Least Concern. Habitat: freshwater.