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 guntheri:
- Jordan, David Starr & B.W. Evermann. 1896. "The fishes of North and Middle America: A descriptive catalogue of the species of fishes and fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part I". Bulletin of the United States National Museum. 47:1-1240 (ffm00055)