lucius, Chirostoma Boulenger [G. A.] 1900:54 [Annals and Magazine of Natural History (Series 7) v. 5 (no. 25) (art. 5); ref. 14717] Lake Chapala, Mexico. Syntypes: (several) BMNH 1892.2.8.77 (1). •Valid as Chirostoma lucius Boulenger 1900 -- (Espinosa Pérez et al. 1993:60 [ref. 22290], Dyer in Reis et al. 2003:519 [ref. 27061], Nelson et al. 2004:98 [ref. 27807], Scharpf 2007:8 [ref. 30398], Page et al. 2013:100 [ref. 32708]). •Valid as Menidia lucius (Boulenger 1900) -- (Miller 2006:197 [ref. 28615]). •Synonym of Chirostoma chapalae Jordan & Snyder 1899 -- (Betancourt-Resendes et al. 2019:14 [ref. 37138]). Current status: Synonym of Chirostoma chapalae Jordan & Snyder 1899. Atherinopsidae: Menidiinae. Habitat: freshwater.