The Pennsylvania State University / University of Michigan / /
IndustryTerm
food chain / canal systems / food / /
NaturalFeature
Caspian sea / Clair River / Azov sea / Black sea / Lake Erie / Great Lakes / /
Organization
University of Michigan / The Pennsylvania State University / Great Lakes Restoration Initiative Great Lakes Science Center / National Oceanic and Atmospheric Administration / United States Federal Aquatic Nuisance Species Task Force / Center for Great Lakes and Aquatic Sciences Archive / United Nations / U.S. Fish and Wildlife Service / /
Illustration courtesy of FAO, Fishbase.org. Round Goby www.paseagrant.org