• [Wiki] https://en.wikipedia.org/wiki/Ptychocheilus_grandis.
• [fishbase] https://www.fishbase.in/summary/Ptychocheilus-grandis.html.
• [explorer] https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.102402/Ptychocheilus_grandis.
• [Brow1990] Brown, L. R. (1990). Age, growth, feeding, and behavior of Sacramento squawfish (Ptychocheilus grandis) in Bear Creek, Colusa Co., California. The Southwestern Naturalist, 35(3):249--260.
• [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.