Yes there are sharks in the lake.
No.
No sharks. Later in the season when the waters warm, algae blooms may build and make the water unsafe. Ask about or look up water quality when you go.
Although Bull sharks can survive in fresh water...it is highly unlikely you will ever encounter one. They have been known to migrate from the mouth of the Mississippi River all the way to the Ohio River.
Yes
There is always danger - in this case it is of algae or bacteria more than of sharks. However at this moment I strongly suggest you google Lake Erie. So you UNDERSTAND the lake area Maumee Bay is in.
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