A sucker tagged and released for study in a new research project. (Courtesy Shedd Aquarium)

Shedd researcher Karen Murchie has been singing the praises of suckers for years in service of drawing more attention to the overlooked fish. Now the broader scientific community is taking note. 

A group of suckers on the move in Door County, Wisconsin. (Courtesy of Shedd Aquarium)

Walking along Lake Michigan or the Chicago River, it’s difficult to imagine an underwater world teeming with life. But it’s there, promises Karen Murchie, a research biologist at the Shedd Aquarium, and we have to protect it.