1. U.S. Geological Survey, Eastern Ecological Science Center, S.O. Conte Anadromous Fish Research Laboratory, Turners Falls, Massachusetts, 013762, USA
2. University of Florida, Department of Wildlife Ecology and Conservation, Gainesville, Florida, 32611, USA
3. U.S. Geological Survey, Wetland and Aquatic Research Center, Gainesville, Florida, 32653, USA