Aquatic Invasive Species (AIS), such as whirling disease and zebra or quagga mussels, are a serious ecological and economic threat to the Greater Yellowstone Ecosystem. Boats, waders, and anything else that comes in contact with a body of water has the potential to spread non-native plants, pathogens, and other invasive species among water bodies. Wyoming state law requires a boat inspection prior to launch for boats that enter the state. . Boaters must also purchase an Aquatic Invasive Species (AIS) decal from the Wyoming Game and Fish Department. Boating and Floating - Grand Teton National Park (U.S. National Park Service)
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