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As part of our series on sharks on the shoreline, NBC Connecticut took a dive into a shark tank at the Maritime Aquarium in Norwalk. Check out the videos on this page for a 360-degree view.
There are only four types of sharks found in Long Island Sound - the sand tiger shark, the brown shark and two types of dogfish.
These sharks feed on small schooling fish and invertebrates, so they're unlikely to bother human swimmers.
The great whites being spotted on Cape Cod are another story. Those sharks feed on seals, and experts say while a great whites won't deliberately go after a human, they may attack if they mistake a human swimmer for their food.