Mr. David Gillis at the Fisheries and Oceans Committee

April 2nd, 2012 / 4:40 p.m.

Director General, Ecosystems and Oceans Science Sector, Department of Fisheries and Oceans

I'm not sure. We've talked about 182 non-indigenous species in the Great Lakes. Some of those would occur outside the Great Lakes. Maybe some of them are unique, at least within the North American context, in the Great Lakes. But I'm not sure if we have that resolution of data available today. We could maybe follow up.

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