A chilly Lake Superior warms up: In Warm Water: Fish and the Changing Great Lakes

steve dahl doug fairchild Minnesota Sea Grant Institute 

In Warm Water: Fish and the Changing Great Lakes

It has long been the coldest and most pristine Great Lake. Its frigid waters have helped defend it from some invasive species that have plagued the other Great Lakes.  But Lake Superior’s future could look radically different. Warming water and decreasing ice are threatening the habitat of some of the lake’s most iconic fish.

Picture 4