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JACKSONVILLE BEACH, Fla. — A Facebook video posted Sunday by Darrell Ruger is gaining a lot of attention.

The video taken at Florida’s Jacksonville Pier shows a shark eating another shark.

The clip has since gone viral, with more than 385,000 views as of Tuesday morning.

Witnesses said it appeared that someone was trying to reel in a 2-foot shark when another shark, possibly about 6 feet long, ate the other one.

University of North Florida biology professor Dr. Jim Gelsleichter explained the encounter:

“I believe that’s a smaller shark was a black tip, and the larger shark looked like a bull shark,” Gelsleichter said.

Gelsleichter said researchers have seen evidence left from similar attacks.

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“It’s common for us to haul back a half of shark, a shark head, or in some cases a larger shark that got hooked when he grabbed onto a smaller shark,” Gelsleichter said.

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He said most people usually don’t catch it on camera and that it happens more often than you might think.

Experts said we should start to see shark encounters decrease in October and November.

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