krumholzi, Gambusia Minckley [W. L.] 1963:154, Fig. 2 [Southwestern Naturalist v. 8 (no. 3); ref. 5072] Río de Nava, small stream 5.6 miles south-southwest of Nava, Coahuila, Mexico. Holotype: UMMZ 180320. Paratypes: UMMZ 180321 (1, allotype), 180322 (not 101, 87, 3 c&s). •Valid as Gambusia krumholzi Minckley 1963 -- (Rauchenberger 1989:3 [ref. 15687], Espinosa Pérez et al. 1993:46 [ref. 22290], Lucinda in Reis et al. 2003:559 [ref. 27061], 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 2015:78 [ref. 34698], Huber 2019:66 [ref. 36941], Page et al. 2023:146 [ref. 40505]). Current status: Valid as Gambusia krumholzi Minckley 1963. Poeciliidae: Poeciliinae. Distribution: Southern North America: De Nava River, Coahuila, Atlantic slope (Mexico). Habitat: freshwater.