Dee Angradi (from left) of the Minnesota Sea Grant, Nathan Radke, 9, and Augie Angradi, 7, all of Duluth, display examples of invasive species including round goby, rusty crayfish, sea lamprey, Lima shovelnose catfish, Eurasian ruffe and zebra mussels to be exhibited during Lake Superior Days this weekend.
Clint Austin / caustin@duluthnews.com
Read the article: Lake Superior Day events start today
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