• [Wiki] http://en.wikipedia.org/wiki/Polyodon_spathula.
• [fishbase] https://www.fishbase.se/summary/Polyodon-spathula.html.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Rose1976] Rosen, R. S. (1976). Distribution, Age, and Growth, and Feeding Ecology of Paddlefish (Polyodon spathula) In Unaltered Missouri River, South Dakota. PhD thesis, South Dakota Stat University.