VIDEO: Great white devours seal off Alcatraz Island

A group of tourists visiting the infamous Alcatraz island in the San Francisco Bay were in for an unexpected spectacle when they came across a shark making a meal of a seal.

And their reactions pretty much say it all.

Holy... crud, indeed.

It’s the first time a great white shark has been spotted hunting off San Francisco which must be alarming news for residents.

"This is the first recorded predation event by a white shark I’m aware of in the San Francisco Bay,’ said David McGuire, director of the shark conservation group Shark Stewards.

"It is definitely a white shark, about 8-10 feet, based on the video sent to us. The tourists were very excited."

But while it may seem ominous, McGuire says it’s actually a good thing.

"For me its pretty exciting and a sign that the health is returning to the San Francisco Bay ecosystem. We swim in the Bay every day at the Dolphin Club without a shark encounter," he said.



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