1. School of Fisheries, Aquaculture, and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
2. Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice 370 05, Czech Republic
3. University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Vodnany 38925, Czech Republic
4. Department of Biological Sciences, University of Windsor, Windsor, ON, Canada N9B 3P4
5. Great Lakes Institute for Environmental Research, University of Windsor, Windsor, ON, Canada N9B 3P4