roseni, Xiphophorus Meyer [M. K.] & Wischnath [L.] 1981:133, Figs. 4-6 [Aquaria: Vivaristische Fachzeitschrift mit Vereinsmitteilungen v. 28 (no. 8); ref. 8441] Arroyo Cahpultepec, 7 kilometers northeast of Monterrey, Nuevo León, Mexico. Holotype: SMF 16204. Paratypes: SMF 16205-06 (1, 1), 16207 (1). •Valid as Xiphophorus roseni Meyer & Wischnath 1981 -- (Lucinda in Reis et al. 2003:574 [ref. 27061]). •A hybrid between X. couchianus and X. variatus -- (Meyer 1983:287 [ref. 34714], Meyer 2015:409 [ref. 34698], Huber 2019:151 [ref. 36941]). Hybrid. Current status: Synonym of Xiphophorus. Poeciliidae: Poeciliinae.