1. Florida Fish and Wildlife Conservation Commission, Florida Wildlife Research Institute, Jacksonville Field Laboratory, 6134 Authority Avenue, Building 200, Jacksonville, Florida 32221, USA
2. National Marine Fisheries Service, Office of Protected Resources, 1315 East West Highway, Silver Spring, Maryland 20910, USA
3. Current Address: Florida Fish and Wildlife Conservation Commission, Division of Habitat and Species Conservation, South Regional Office, 8535 Northlake Boulevard, West Palm Beach, Florida 33412, USA
4. National Marine Fisheries Service, Southeast Fisheries Science Center, 75 Virginia Beach Drive, Miami, Florida 33149, USA