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Aquatic Nuisance Species

Aquatic nuisance species are non-indigenous species that threaten the diversity or abundance of native aquatic species. Two such ANS are the Zebra mussel and the Quagga mussel. States on behalf of water users spend tens of millions of dollars on attempting to control these prolific species every year.

Aquatic nuisance plants, such as loosestrife, water milfoil and hydrilla quickly establish themselves, replacing native plants.

Environmental and economic problems caused by the dense growth of these weeds include impairment of water-based recreation, navigation, flood control, water quality and fish and wildlife habitat.

Aquatic Nuisance Species (ANS)

Boaters should be conscientious when pulling their boats from recreational waters. You should inspect the boat and trailer, before you leave the ramp area, and remove any suspected aquatic nuisance species and mud in order to eliminate their spread to other waters that may be visited.


Please consult with your state marine patrol and local marinas to identify non-indigenous species in your area. 

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