It's three parts, its long, and I probably liked it more because my daughter got her Biology degree at a town on the shores of Lake Michigan, but it did a good job of carrying both the Fisheries side and the Conservation side of the conversation. And I learned that Gobys eat Zebra Mussels which makes me wonder if we stock them in California lakes or not.

Edit: And then compare the article to the tone of this warning on invasive species: http://www.protectyourwaters.net/hitchhikers/fish_round_goby...