Ask questions, vote and discover answers about Chicago, the region and its people. From WBEZ.
https://www.wbez.org/shows/curious-city/7b79e16d-f3a9-4156-9b27-4d2cc6ce351e
Is That A Lobster In The Chicago River?
It’s an invasive species that doesn’t seem harmful at first glance. But if they go unchecked, these little things can disrupt local ecologies.