milleri, Xiphophorus Rosen [D. E.] 1960:89, Figs. 8-10 [Bulletin of the Florida State Museum, Biological Sciences v. 5 (no. 4); ref. 11945] Small tributary of Laguna Catemaco, Veracruz, Mexico. Holotype: UMMZ 177308. Paratypes: UMMZ 177309 (1, allotype). Other material: UMMZ 177310 (241), 184556 (93 or 94). •Valid as Xiphophorus milleri Rosen 1960 -- (Rosen & Bailey 1963:65 [ref. 7067], Rosen 1979:356 [ref. 22796], Espinosa Pérez et al. 1993:56 [ref. 22290], Rodriguez 1997:674 [ref. 23266], Meyer & Schartl 2002:59 [ref. 26066], Lucinda in Reis et al. 2003:574 [ref. 27061], Nelson et al. 2004:106 [ref. 27807], Lucinda & Reis 2005:44 [ref. 29205], Miller 2006:260 [ref. 28615], Scharpf 2007:23 [ref. 30398], Page et al. 2013:111 [ref. 32708], Meyer 2015:394 [ref. 34698], Huber 2019:149 [ref. 36941], Page et al. 2023:148 [ref. 40505]). Current status: Valid as Xiphophorus milleri Rosen 1960. Poeciliidae: Poeciliinae. Distribution: Southern North America: streams tributary to Lago de Catemaco, Veracruz, Atlantic slope (Mexico). Habitat: freshwater.