1. Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut 06520; Email: (TJN) ; and (RCH) Richard.harrington@yale.edu.
2. Fisheries and Aquatic Monitoring, Tennessee Valley Authority, Chattanooga, Tennessee 37402.
3. Biology Department, University of Southern Indiana, Evansville, Indiana 47712; Email: .
4. Fisheries Division, Kentucky Department of Fish and Wildlife Resources, Frankfort, Kentucky 40601; Email: (SB) ; and (MRT) matt.thomas@ky.gov.
5. Department of Biological Sciences, University at Buffalo, Buffalo, New York 14260; Email: .