1. Department of Fisheries, Wildlife and Conservation Biology University of Minnesota 2003 Upper Buford Circle, 135E Skok Hall St. Paul Minnesota 55108 USA
2. Minnesota Aquatic Invasive Species Research Center 2003 Upper Buford Circle, 135E Skok Hall St. Paul Minnesota 55108 USA
3. Liberal Arts Technology and Innovation Services University of Minnesota 257 19th Avenue Southeast, 131 Anderson Hall Minneapolis Minnesota 55455 USA
4. U.S. Geological Survey Minnesota Cooperative Fish and Wildlife Research Unit 1980 Folwell Avenue, 200 Hodson Hall St. Paul Minnesota 55108 USA