On this episode of Great Lakes Now, meet the marbled crayfish, an invasive species that has experts in Ontario on high alert. Plus, discover how Lake Superior's warming waters are affecting the people and wildlife who call the lake home.

VISIT https://www.greatlakesnow.org/, a Detroit PBS initiative.

FIND Great Lakes news on Facebook:   / greatlakesnow  

FOLLOW Great Lakes Now on X:   / greatlakesnow  

SUBSCRIBE to Great Lakes Now’s Newsletter: https://www.greatlakesnow.org/great-l...

Great Lakes Now shares stories about the Great Lakes Basin and the 40 million people who live, work and study here.

SUPPORT for Great Lakes Now comes from the Fred A. and Barbara M. Erb Family Foundation, Charles Stewart Mott Foundation, DTE Foundation, the Polk Family Fund, the Richard C. Devereaux Foundation Fund for Energy and Environmental Programming at Detroit PBS as well as from viewers and readers like you.

To learn more about supporting Detroit PBS and Great Lakes Now, click https://www.detroitpbs.org/