Lake Invaders: Invasive Species and the Battle for the Future of the Great LakesThere are more than 180 exotic species in the Great Lakes. Some, such as green algae, the Asian tapeworm, and the suckermouth minnow, have had little or no impact so far. But a handful of others sea lamprey, alewife, round goby, quagga mussel, zebra mussel, Eurasian watermilfoil, spiny water flea, and rusty crayfish have conducted an all out assault on the Great Lakes and are winning the battle. In Lake Invaders: Invasive Species and the Battle for