De Graaf, Martin; Megens, Hendrik-Jan; Samallo, Johannis; Sibbing, Ferdinand A. (2007). "Evolutionary origin of Lake Tana's (Ethiopia) small Barbus species: Indications of rapid ecological divergence and speciation". Animal Biology. 57: 39–48. doi:10.1163/157075607780002069.
Florida Fish and Wildlife Conservation Commission (2006). "Exotic Freshwater Fishes". Archived from the original on 8 February 2007. Retrieved 5 March 2007.
Florida Fish and Wildlife Conservation Commission (2006). "Exotic Freshwater Fishes". Archived from the original on 8 February 2007. Retrieved 5 March 2007.
Helfman, Gene S.; Collette, Bruce B.; Facey, Douglas E. (1997). The diversity of fishes. Malden, Mass: Blackwell Science. p. 228. ISBN978-0-86542-256-8. OCLC299475257.