1. Great Lakes Laboratory for Fisheries and Aquatic Sciences Fisheries and Oceans Canada Burlington Ontario Canada
2. Department of Biology Trent University Peterborough Ontario Canada
3. Daniel P. Haerther Center for Conservation and Research John G. Shedd Aquarium Chicago Illinois USA
4. Department of Environmental Conservation University of Massachusetts Amherst Amherst Massachusetts USA
5. Fish Ecology and Conservation Physiology Laboratory, Department of Biology Carleton University Ottawa Ontario Canada