Forget “Needle in a Haystack.” Try Finding an Invasive Species in a Lake

When the tiny and invasive spiny water flea began appearing in University of Wisconsin–Madison researchers’ nets in 2009, scientists began to wonder how Lake Mendota, one of the most-studied lakes in the world, went from …

What’s Tipping the Scales Toward More Bass, Fewer Walleye in Wisconsin Waters?

by Sydney Widell For walleye and other northern Wisconsin fish, a warming climate may mean smaller populations and shrinking ranges, said Center for Limnology Director, Jake Vander Zanden, in a lecture Wednesday. Addressing a crowd …

Is Lake Monona A Sign That Lake Mendota’s Clear Water Phase Is On Its Way?

Earlier this week, Center for Limnology director, Jake Vander Zanden, noted a startling difference in Madison’s two largest lakes, Mendota and Monona. The waters of Lake Monona, near where he lives, were crystal clear, while …

Celebrating 50 Years of a UW-Madison, Shedd Aquarium Collaboration

On Saturday, April 21st, Chicago’s Shedd Aquarium welcomed 9,256 visitors to its sprawling campus along Lake Michigan’s shoreline. 1225 of the youngest visitors grabbed “passports” to learn more about the migratory fishes on display for …

Who Will Invade Next? 5 Species That May Threaten Wisconsin Waters

When zebra mussels were finally found in Lake Mendota in the fall of 2015, most aquatic ecologists in Wisconsin had the same thought – “What took them so long?” These notorious little bivalves were firmly planted …