carpio, Cyprinodon Günther [A.] 1866:306 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] America [U.S.A.] (exact locality unknown). Syntypes: BMNH 1855.9.19.821-825 (5). •Valid as Floridichthys carpio (Günther 1866) -- (Parenti 1981:530 [ref. 7066], Robins & Ray 1986:108 [ref. 23100], Gamboa Pérez 1992:313 [ref. 38704], Espinosa Pérez et al. 1993:35 [ref. 22290], Wildekamp 1996:138 [ref. 23649], McEachran & Fechhelm 1998:897 [ref. 23897], Castro-Aguirre et al. 1999:225 [ref. 24550], Lazara 2001:119 [ref. 25711], Nelson et al. 2004:109 [ref. 27807], Scharpf 2007:30 [ref. 30398], Page et al. 2013:108 [ref. 32708], Esmaeili et al. 2018:17 [ref. 36738], Robins et al. 2018:435 [ref. 35886]). Current status: Valid as Floridichthys carpio (Günther 1866). Cyprinodontidae: Cyprinodontinae. Distribution: Western Atlantic: Florida (U.S.A.). Mexican records are based on Floridichthys polyommus Hubbs 1936. Habitat: freshwater, brackish, marine.