Observation:
Government of Canada. (2017, June 22). Species spotlight - Virile Crayfish. Retrieved from Species at Risk Public Registry: https://www.registrelep-sararegistry.gc.ca/default.asp?lang=En&n=6DB35FE5-1&offset=21&toc=show Martinez, P. (2012). Invasive crayfish in a high desert river: Implications of concurrent invaders. Aquatic Invasions, 7(2), 219-234. Peterson, L. (2011). Nose Creek Fisheries Investigation, 2010. Calgary: Trout Unlimited Canada. Waldner, C. (2016, June 30). Crayfish in Nose Creek could harm ecosystem. Airdrie City View. Retrieved from http://www.airdriecityview.com/article/Crayfish-in-Nose-Creek-could-harm-ecosystem-20160630
