Great white shark barrier tested off Cape Cod to keep swimmers safe

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After Fatal Shark Attacks, Some Complain Of Slow Response

Great white shark barrier tested off Cape Cod to keep swimmers safe

Two great white sharks have traveled a very similar 4,000-mile path up the Atlantic coast. Are they brothers?

Lessons for the Return of Great White Sharks - Nautilus

Cape Cod Testing New High-Tech Shark Deterrent

Shark-detection systems on Cape Cod raise liability issues

Fear on Cape Cod as Sharks Hunt Again - The New York Times

Great white shark - Wikipedia

PROVIDENCE SHARK SERIES 品質満点！ - その他