BOONE - Iowa's water resources are under threat by non-native species, many which are used in ornamental water gardens, as bait or are kept as exotic pets. Snakeheads, silver carp, Eurasian watermilfoil and zebra mussels can cause ecological and economic harm to Iowa waters by out competing native plants and animals and can interfere with water based recreation.

A new law, which takes effect Jan. 12, will hopefully prevent the introduction and spread of these aquatic invasive species in Iowa, said Kim Bogenschutz, aquatic nuisance species coordinator for the DNR.

These species are spread mainly by attaching to boats and other equipment used in different waters. Preventing this spread is as simple as inspecting your boat and removing any visible plants, animals or mud; draining water form the boat, motor and live well; and dumping unwanted bait in a trash can and not in the lake.

Snakeheads, purple loosestrife and other pet and water garden species are also spread by being intentionally released into public waters. "This is not only illegal, but it can cause negative impacts to our lakes and rivers," Bogenschutz said.

Snakeheads are also listed as a federal injurious species. Since October 2002, it has been illegal to import these fish into the United States or to transport them between states. Beginning Jan. 12, it is no longer legal to possess snakeheads in Iowa.

"If you have a snakehead, it is important to not release it live into the wild," she said. "You can properly dispose of these fish by contacting a veterinarian or pet retailer for guidance about humane disposal."

The new law lists the invasive species that are illegal to possess, introduce, purchase, sell or transport in Iowa. The exception is when the species is being removed from watercraft and equipment, is caught and immediately killed or returned to the water from which it came, is being transported in a sealed container for identification purposes, or is lawfully acquired dead. It is also illegal to introduce any live fish, except for hooked bait, into public waters.
 

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