hurtadoi, Gambusia Hubbs [Clark L.] & Springer [V. G.] 1957:307, Figs. 1, 3c-f, 13, 15 [Texas Journal of Science v. 9 (no. 3); ref. 12145] El Ojo de la Hacienda Dolores, 7 miles south of Jiminez, Chihuahua, Mexico. Holotype: UMMZ 168975. Paratypes: (2196) ENCB P 350 (?); FMNH 61604 (30); CAS-SU 48133 (?); TNHC 4204 (278), 4205-06 (?), 4377 (31); UMMZ 168976-77 (25, 38); USNM 164252 (61). Type catalog: Ibarra & Stewart 1987:37 [ref. 12367], Parenti et al. 1999:7 [ref. 24072]. •Synonym of Gambusia gaigei Hubbs 1929 -- (Rosen & Bailey 1963:104 [ref. 7067]). •Valid as Gambusia hurtadoi Hubbs & Springer 1957 -- (Wildrick et al. 1985:1054 [ref. 11519], Rauchenberger 1989:3 [ref. 15687], Espinosa Pérez et al. 1993:46 [ref. 22290], Parenti et al. 1999:7 [ref. 24072], Nelson et al. 2004:103 [ref. 27807], Lucinda & Reis 2005:41 [ref. 29205], Miller 2006:223 [ref. 28615], Scharpf 2007:18 [ref. 30398], Meyer et al. 2010:13 [ref. 30817], Page et al. 2013:109 [ref. 32708], Meyer 2015:77 [ref. 34698], Huber 2019:65 [ref. 36941], Page et al. 2023:146 [ref. 40505]). Current status: Valid as Gambusia hurtadoi Hubbs & Springer 1957. Poeciliidae: Poeciliinae. Distribution: Southern North America: Conchos River basin, Chihuahua, Atlantic slope (Mexico). Habitat: freshwater.