The miniscule Spiny waterflea was introduced into Madison’s Lake Mendota and lurked undetected for years. This hour, Bonnie and Sydney take a new look at a well-studied lake and try to figure out how an introduced species can float below science’s radar for so long.

Thanks to our guests

Jake Walsh, Minnesota Department of Natural Resources

Dick Lathrop, Wisconsin Department of Natural Resources, University of Wisconsin-Madison

Mike Spear, University of Wisconsin-Madison

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