Invasive species have invaded the Great Lakes. They are poised to invade thousands of lakes, rivers and streams. Learn how to stop them. This handy guide spotlights 44 invaders and details how they live, grow, reproduce and spread. Armed with this knowledge, you can help protect our inland waters, keeping your favorite fishing spots and lakeshores healthy. Book Features: • 44 invasive species divided into three categories: invertebrates, plants and fish• How they impact you, your environment and the economy• Tips to stop aquatic hitchhikers and other informationon how you can help• QR codes linking to web pages with even more details