If you enjoy spending time on or in the water, this summer you can help the Michigan Invasive Species Program by identifying and reporting aquatic invasive species. Early detection of new or emerging invasive species, like those on Michigan’s Watch List, greatly improves chances to slow their spread or possibly eradicate a population.

The 18 aquatic invasive species on Michigan’s Watch List have been identified as posing an immediate or potential threat to Michigan’s economy, environment or human health. These species have either never been confirmed in the wild in Michigan or have a limited known distribution. The list includes 10 aquatic plants, five fish, two crayfish and the New Zealand mudsnail.

Populations of watch list aquatic species, including yellow floating heart, water lettuce, parrot feather and red swamp crayfish have been detected in Michigan through reports from people just like you who noticed something unusual in the water, took photographs and reported what they found.

Information about watch list species, including identifying characteristics, photos and illustrations, can be found on the Watch List web page.

Sightings of aquatic plants on the watch list can be reported year-round to EGLE’s Aquatic Invasive Species Program at EGLE-WRD-AIP@Michigan.gov. All watch list species can be reported through the Midwest Invasive Species Information Network’s website or smartphone app, found at MISIN.MSU.edu.