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Great Lakes whitefish food shortage poses threat
Fishing industry could be harmed

One of the principal food sources for whitefish is disappearing rapidly in the Great Lakes, a change that threatens to shake up the food chain and hamper the large commercial fishing industry in the state.

Diporeia, a half-inch-long, shrimp-like creature that lives on the bottom of the Great
Lakes, has been wiped out in portions of Lake Erie, Lake Michigan, Saginaw Bay and Lake Ontario. In all, about 17,000 square miles in the Great Lakes no longer have diporeia.

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