1. Department of Fish and Wildlife Sciences, College of Natural Resources University of Idaho Moscow Idaho 83844 USA
2. Division of Aquaculture Kentucky State University Frankfort Kentucky 40601 USA
3. School of Fisheries, Aquaculture, and Aquatic Sciences Auburn University Auburn Alabama 36849 USA
4. National Oceanic and Atmospheric Administration–Fisheries, Northwest Fisheries Science Center, Manchester Research Station Port Orchard Washington 98366 USA