cataractae, Heterandria Rosen [D. E.] 1979:328, Figs. 7, 12, 18, 21, 24, 26 [Bulletin of the American Museum of Natural History v. 162 (art. 5); ref. 22796] Arroyo Sachicha, 20 kilometers northwest of Cobán, 6-8 kilometers north of Cancal, Río Usumacinta system, Alta Verapaz, Guatemala. Holotype: AMNH 36381. Paratypes: AMNH 24486 (93), 36357 (105); UMMZ 193888 (110). •Valid as Heterandria cataractae Rosen 1979 -- (Lucinda in Reis et al. 2003:562 [ref. 27061], Lucinda & Reis 2005:40 [ref. 29205], McEachran & DeWitt 2008:52 [ref. 29720]). •Valid as Pseudoxiphophorus cataractae (Rosen 1979) -- (Radda 1985:128 [ref. 31261], Morales-Cazan & Albert 2012:22 [ref. 31911], Meyer 2015:340 [ref. 34698], Huber 2019:137 [ref. 36941]). Current status: Valid as Pseudoxiphophorus cataractae (Rosen 1979). Poeciliidae: Poeciliinae. Distribution: Upper Río Senizo, Alta Verapaz, Guatemala. Habitat: freshwater.