Video clips contained in this game are courtesy of Kent Faddis, TV News Producer, and Kurt Roehlke, Assistant News Producer, with the Cooperative Media Group at the University of Missouri; Glenn Thomas, PhD, Associate Professor of Fisheries for the Louisiana Sea Grant Program and the Louisiana State University AgCenter School of Renewable Natural Resources; Duane Chapman, Research Fisheries Biologist with the US Geological Survey Columbia Environmental Research Center; and Johanna Thompson, Digital Learning Specialist at The Field Museum. Fishes and Snail images courtesy of Philip Willink and Jochen Gerber at The Field Museum.