The Mysterious Sixgill Sharks of Seattle 🦈 | Cascade PBS

Revisit the 2017 National Edward R. Murrow Award Winner for Best Documentary, Mystery Sharks of Seattle!
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The mysterious sixgill shark is one of the world's largest and most elusive predatory sharks - and sometimes, they appear in Seattle's Elliott Bay.

What would make these sharks, known for dwelling in the darkness thousands of feet beneath the ocean's surface, come to the relatively shallow waters of Puget Sound? Researchers across western Washington searched for answers.