• [Wiki] https://en.wikipedia.org/wiki/Pylodictis_olivaris.
• [fishbase] https://www.fishbase.se/summary/Pylodictis-olivaris.html.
• [ADW] https://animaldiversity.org/accounts/Pylodictis_olivaris/.
• [cabi] https://www.cabi.org/isc/datasheet/67542.
• [GrabIsel2004] Grabowski, T. B., Isely, J. J., and Weller, R. R. (2004). Age and growth of flathead catfish, Pylodictus olivaris Rafinesque, in the Altamaha River System, Georgia. Journal of Freshwater Ecology, 19(3):411--418. doi:10.1080/02705060.2004.9664914.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.