Researchers from the Shedd Aquarium, Purdue University and the Illinois-Indiana Sea Grant are tracking the movements of 80 individual fish in the Chicago River system.
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Researchers from the Shedd Aquarium, Purdue University and the Illinois-Indiana Sea Grant are tracking the movements of 80 individual fish in the Chicago River system.
Yellow bullheads, walleye, common carp and gizzard shad are some of the indicators of the changes and challenges of the recovering Chicago Area Waterway System since the Clean Water Act.
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