Learn: about invasive species in Wisconsin.

Subscribe: to the invasive species rules and regulations email list.

Report: an invasive species in your area.

Order: invasive species publications.

Contact information: DNR invasive species staff

Aquatic Invasive species - Non-regulated animals

Whether they come in ballast water, on the hulls of recreation boats or from the water of an angler’s bait bucket, many non-native species such as zebra mussels and Eurasian water milfoil have found their way into Wisconsin’s waterways. Their presence can cause severe damage to local ecosystems, industry and tourism. However, the Wisconsin DNR is part of a strong partnership of public and private stakeholders in Wisconsin committed to an effective strategy of prevention, containment and control. The more you know about these invaders, the more you can do to help stop the spread to Wisconsin's precious waters.

Learn about aquatic invasives

Explore regulated or non-regulated species by clicking the buttons below
View or print a handout of 16 regulated aquatic invasive plants [PDF]
Discover what you can do on our prevention and boat laws pages
Learn more on our AIS efforts landing page

View a printable list of all species regulated by NR 40 [PDF] or a list of plants only [PDF].

Click on the buttons below to see what species are invasive in Wisconsin.

The buttons separate invasive plants and animals into regulated or non-regulated categories. Regulated species currently have legal restrictions under the Invasive Species Rule, Chapter NR 40. Non-regulated species currently are not regulated by Chapter NR 40. View our terminology page for classification definitions.

Plants Regulated Non-regulated
Animals Regulated Non-regulated