Smithsonian Earth - Great Lakes Wild Series 1 (2017) Part 3 The Goby Effect

Great Lakes Wild Series 1

Uncover the secrets of the vast Great Lakes region, which extends from the Canadian border to the American Midwest. It's a place of breathtaking natural beauty, with a unique set of challenges threatening its delicate environmental balance.

Part 3 The Goby Effect

The Lake Erie water snake, once on the brink of extinction, now looks to be rebounding–thanks mainly to the invasive goby fish that's wreaking havoc on the Great Lakes ecosystem. Can scientists studying this environmental anomaly find a healthy ecological balance?

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