hartwegi, Brachyrhaphis Rosen [D. E.] & Bailey [R. M.] 1963:87, Fig. 41, Pl. 2 (fig. 1) [Bulletin of the American Museum of Natural History v. 126 (art. 1); ref. 7067] Tributary to Río Jalapa at Finca Esperanza, Soconusco District, Chiapas, Mexico, 15°20'N, 92°36'W, elevation 450 feet. Holotype: UMMZ 179539. Paratypes: UMMZ 168904 (3), 168918 (61, now 54), 169069 (10, now 9), 169071 (52); USNM 202174 [ex UMMZ 168918] (7). Type catalog: Parenti et al. 1999:4 [ref. 24072]. •Valid as Brachyrhaphis hartwegi Rosen & Bailey 1963 -- (Espinosa Pérez et al. 1993:44 [ref. 22290], Mojica et al. 1997:301 [ref. 22823], Meyer & Etzel 1998:156 [ref. 23986], Bussing 1998:199 [ref. 24179], Parenti et al. 1999:4 [ref. 24072], Meyer & Etzel 2001:33 [ref. 25344], Lucinda in Reis et al. 2003:556 [ref. 27061], Nelson et al. 2004:103 [ref. 27807], Lucinda & Reis 2005:38 [ref. 29205], Miller 2006:219 [ref. 28615], Scharpf 2007:17 [ref. 30398], Page et al. 2013:108 [ref. 32708], Meyer 2015:23 [ref. 34698], Huber 2019:51 [ref. 36941]). Current status: Valid as Brachyrhaphis hartwegi Rosen & Bailey 1963. Poeciliidae: Poeciliinae. Distribution: Pacific slope of Guatemala and Mexico. Habitat: freshwater.