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Indiana Department of Natural Resources

Fish & Wildlife > Fishing > Aquatic Invasive Species (AIS) Aquatic Invasive Species (AIS)

Exotic species can be very expensive or impossible to control. The resulting damage to sport fisheries and commercial resources can be serious. For instance, it was estimated that the U.S. and Canada were spending $8 million per year on control of the exotic sea lamprey and another $12 million per year to restore lake trout populations that were devastated by lamprey invasions (Newman 1991). Lake residents in Indiana spend an estimated $800,000 per year in public waters to chemically control nuisance Eurasian watermilfoil, an exotic water plant that can shade out native species and interferes with boating and fishing.

The long-term plan was developed to address ecological and economic impacts of aquatic exotic species invasions in the waterways of Indiana and their potential threat to Lake Michigan, Lake Erie, and Ohio River basins.

Asian Carp Information

Other Aquatic Invasive Information