Uznawany jako synonim Xiphophorus hellerii Heckel, 1848
- Rosen, Donn E & R.M. Bailey. 1963. "The poeciliid fishes (Cyprinodontiformes), their structure, zoogeography, and systematics". Bulletin of the American Museum of Natural History. 126(1):1-176 (ffm04566)
Oryginalny opis jako Xiphophorus brevis:
- Regan, Charles Tate. 1907. "Diagnoses of new Central-American freshwater fishes of the families Cyprinodontidae and Mugilidae". Annals and Magazine of Natural History. 19(109):64-66 (ffm00054)