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TEACH Questions & Answers

Is it true that a shark was once found in the Great Lakes?
from Kristen in Philadelphia, Pennsylvania

According to the Great Lakes Fishery Commission, a rumor circulated awhile back that a shark had been found in the Great Lakes. However, no evidence was found to support this rumor. Sharks sometimes enter rivers that empty into the ocean, such as the St. Lawrence River, but they don't stay for long because they can't survive in that environment.

Thank you for your question!

Answered on October 20, 2000


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