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Aquatic Invasive Species

Invasive species are a major environmental and economic threat to Michigan’s waterways. The MSU Extension Center for Lakes and Streams is active in preventing their introduction and spread through educational programs, training, grants, and more.

Invasive yellow floating heart: A previously popular water garden plant causes problems in Michigan’s lakes and ponds

Published on June 28, 2023
The invasive yellow floating heart was once common in water gardens across Michigan, but has been a prohibited plant in Michigan for over a decade.
RIPPLE partners with Water Colors Aquarium Gallery to host exotic fish surrender event

Published on October 9, 2024
Do you have aquarium plants or fish you can no longer care for? Surrender unwanted freshwater fish and plants at the RIPPLE event on October 26 at Water Colors Aquarium Gallery in Grand Rapids.
The less traveled pathways for species introduction to the Great Lakes

Published on February 23, 2024
While ballast water has been a major way species have entered the Great Lakes, it hasn't been the only way.
Identifying and managing invasive Eurasian and hybrid watermilfoils in Michigan lakes

Published on August 9, 2023
Some hybrids of this invasive plant are resistant to herbicides, making genetic testing critical for management.
The cloning crayfish conundrum: A threat to the Great Lakes ecosystem

Published on February 23, 2024
While not in the Great Lakes -- yet -- its ability to outcompete native species make the marbled crayfish a significant risk to the Great Lakes.
You found an invasive species, now what?

Published on June 6, 2024
New flow chart helps you decide next steps after finding an invasive species.
Aquatic invasive species decontamination stations help boaters and anglers know the regulations and aid in cleaning off their boats and gear

Published on August 12, 2024
Request a sign through the Clean Boats, Clean Waters program.
Invasive hydrilla, a “monster aquatic weed,” discovered for the first time in Michigan waters

Published on October 3, 2023
Here’s how to prevent the spread of invasive hydrilla.
Foes or food? Foraging for Great Lakes invasive species

Published on February 23, 2024
Many invasive species, from garlic mustard to grass carp, were deliberately introduced to the United States because they were once a valuable food source.
Balancing act: A policy success story in the Great Lakes

Published on February 23, 2024
Implementing the 'swish and spit' method successfully reduced the risk of AIS introductions from transoceanic ballast water.
Stop the spread of invasive species with a few simple practices

Published on May 13, 2021
Using boot brush stations, planting native species in your yard, and buying firewood locally are a few ways you can protect the environment.
Water gardeners beware: Keep nature and your landscape separate

Published on June 27, 2017
Safely add water features to your yard without adding risks to the environment.
Identifying native and invasive aquatic plants can be easy with a phone app

Published on May 6, 2025
After collecting information, reporting and sharing it will help add to the knowledge of plant life in Michigan’s lakes.
Getting Hooked on Fishing in Saginaw Bay

Published on October 27, 2025
Annual camps help create next generation of Great Lakes stewards, improve fishing knowledge and skills. They help youth connect to their local waterways and learn the importance of clean water and a healthy fishery.
MSU PSEP launches Pesticide Safety Webinar Series: The RUP Credit Clinic to support Michigan applicator recertification

Published on October 16, 2025
The Michigan State University Pesticide Safety Education Program (PSEP) announces its first webinar series running from fall through winter, helping Michigan pesticide applicators earn RUP credits and stay current on safety and regulatory topics.