1. Chesapeake Biological Laboratory University of Maryland Center for Environmental Science 146 Williams Street Solomons Maryland 20688 USA
2. Fisheries and Aquatic Sciences Program Institute of Food and Agricultural Sciences Nature Coast Biological Station University of Florida 552 1st Street Cedar Key Florida 32625 USA
3. Florida Fish and Wildlife Conservation Commission Fish and Wildlife Research Institute 100 8th Avenue South East Street St. Petersburg, Florida 33701‐5020 USA