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Illinois Department of Natural Resources

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Downtown »

Here's the full list from an official survey of the Chicago River.

Downtown »

The city has dozens of fishing spots filled with salmon, perch, bass, crappie, catfish and more.

West Ridge »

A spotted gar, a species 100 million years old, was found this week on the city's Far North Side.

Downtown »

Tuesday's catfish release was part of habitat restoration for the river system, organizers said.