There is a lamprey native to Lake Erie but that's not the one to worry about.The sea lamprey from salt water got into the great lakes when the Welland Canal opened linking the Atlantic to the lakes and devastated the lake trout fishery. I find them occasionally on walleye but they're not a big problem for them. They are being controlled by poisons in rivers where they spawn. Let's kill em all.

What's a lamprey?

Two sea lampreys parasitize a lake trout.

The sea lamprey is a predatory fish that attaches to a  host fish and feeds on the blood and body fluids. A single sea lamprey kills 40 or more pounds of fish in its life as a parasite. It is native to the Atlantic Ocean and existed throughout the St.

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