• [Wiki] https://en.wikipedia.org/wiki/Ptychocheilus_lucius.
• [fishbase] https://www.fishbase.in/summary/Ptychocheilus-lucius.html.
• [Insl1983] Inslee, T. D. (1983). Spawning and hatching of the colorado squawfish (Ptychocheilus lucius). Technical report, U.S. Fish and Wildlife Service P.O. Box 217 Dexter, New Mexico 88230.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [ValdRyel2002] Valdez, R., Ryel, R., and Carothers, S. (2002). Colorado pikeminnow(Ptychocheilus lucius) recovery goals. Technical report, U.S. Fish and Wildlife Service Mountain-Prairie Region(6) Denver, colorado.
• [VaniKram1969] Vanicek, C. D. and Kramer, R. H. (1969). Life history of the Colorado squawfish, Ptychocheilus lucius, and the Colorado chub, Gila robusta, in the Green River in Dinosaur National Monument, 1964-1966. Transactions of the American Fisheries Society, 98(2):193--208. doi:10.1577/1548-8659(1969)98[193:LHOTCS]2.0.CO;2.