alchichica, Poblana de Buen [F.] 1945:495 [Anales del Instituto de Biologia de la Universidad de Mexico v. 16 (no. 2); ref. 691] Lake Alchichica, Mexico. Holotype: UMMZ 143301. Paratypes: UMMZ 143302 (6, 1 c&s); Estación Piscícola Central de "El Zarco" (?); USNM 123671 (2), 151281 (10). •Valid as Menidia alchichica (de Buen 1945) -- (Miller 2006:191 [ref. 28615] with 3 subspecies). •Valid as Poblana alchichica de Buen 1945 -- (Espinosa Pérez et al. 1993:61 [ref. 22290], Dyer in Reis et al. 2003:522 [ref. 27061], Nelson et al. 2004:99 [ref. 27807], Scharpf 2007:9 [ref. 30398], Page et al. 2013:101 [ref. 32708], Page et al. 2023:140 [ref. 40505]). Current status: Valid as Poblana alchichica de Buen 1945. Atherinopsidae: Menidiinae. Distribution: Southern North America: Lake Alchichica, Atlantic slope (Mexico). Habitat: freshwater.