We all know the risk of picking up hitchhikers, but we may be transporting nefarious passengers without even knowing it. Aquatic Invasive Species (AIS) are non-native plants and animals that have the potential to due lasting harm to our watersheds. Fisheries across the country have been permanently damaged by these critters, several of which have been traced back to maritime mishaps in the Great Lakes region. Across Montana and the Upper Midwest, fisheries and recreational managers are aligned with concerned citizens to prevent further spread of these noxious invaders.Learn more about your ad choices. Visit megaphone.fm/adchoices