CHICAGO — Under the muddy surface of the Chicago River, a bluegill swam miles upon miles, back and forth from one end of the river system to another. Next to a quiet, unused barge slip near Bubbly Creek, another bluegill remained safely tucked away during the same two-week span earlier this summer. This kind of fish is not known for being a traveler. So the strikingly different behaviors have .
From homebodies to prolific swimmers, researchers track Chicago River fish to find out where they are going and why phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Under the muddy surface of the Chicago River, a bluegill swam miles upon miles, back and forth from one end of the river system to another. Next to a quiet, unused barge slip near Bubbly Creek, another bluegill remained safely tucked away during the same two-week span earlier this summer. This kind of fish is not known for being a traveler. So the strikingly different behaviors have intrigued .
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.
Researchers track where Chicago River fish are going and why chicagotribune.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chicagotribune.com Daily Mail and Mail on Sunday newspapers.