kosszanderi, Xiphophorus Meyer [M. K.] & Wischnath [L.] 1981:130, Figs. 1-3 [Aquaria: Vivaristische Fachzeitschrift mit Vereinsmitteilungen v. 28 (no. 8); ref. 8441] Arroyo Chapultepec, 7 kilometers northeast of Monterrey, Nuevo León, Mexico. Holotype: SMF 16200. Paratypes: SMF 16201-03 (1, 1, 1). •Valid as Xiphophorus kosszanderi Meyer & Wischnath 1981 -- (Lucinda in Reis et al. 2003:574 [ref. 27061], Lucinda & Reis 2005:44 [ref. 29205]). •A hybrid between X. variatus and X. xiphidium -- (Meyer 1983:286 [ref. 34714], Meyer 2015:411 [ref. 34698], Huber 2019:147 [ref. 36941]). Hybrid. Poeciliidae: Poeciliinae.