1. School of Fisheries, Aquaculture, and Aquatic Sciences Auburn University 203 Swingle Hall Auburn Alabama 36849 USA
2. U.S. Department of Agriculture Agricultural Research Service Harry K. Dupree Stuttgart National Aquaculture Research Center Post Office Box 1050, 2955 Highway 130 East Stuttgart Arkansas 72160 USA
3. Aquaculture/Fisheries Center University of Arkansas at Pine Bluff 1200 North University Drive Pine Bluff Arkansas 71601 USA