Northern Crayfish (Faxonius virilis) Articles from the LabEdgar, M. (2022) The introduction of Cipangopaludina chinensis and tropic effects of sympatric freshwater fish invaders in southern Alberta reservoirs.Van Mierlo V. A.*, Green S. J., Emmerton C. A., Nasr M., Buendia C., Wyatt F. and M. S. Poesch. (2022). Occupancy of invasive Northern Crayfish (Faxonius virilis) in northern systems is driven primarily by tributary water temperature. Freshwater Science 41(4).Nature Alberta – The Invasive Northern Crayfish: An Unwelcome Visitor to Alberta’s watersheds.