• [Wiki] http://en.wikipedia.org/wiki/wiki/Esox_lucius.
• [wisc] http://images.library.wisc.edu/EcoNatRes/EFacs/FishesWI/reference/econatres.fisheswi.i0032.pdf.
• [fishbase] http://www.fishbase.org/summary/3065.
• [HousWell1973] House, R. and Wells, L. (1973). Age, growth, spawning season, and fecundity of the trout-perch (Percopsis omiscomaycus) in southeastern Lake Michigan. Journal of the Fisheries Research Board of Canada, 30(8):1221--1225, 10.1139/f73--193.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Spaff1999] Spafford, M. D. (1999). Trout-perch Percopsis omiscomaycus (Walbaum) and Lake Chub Couesius plumbeus (Agassiz) as Sentinel Monotoring Species in the Athabasca River, Alberta. PhD thesis, Univ of Alberta.