Shark off the coast of Hilton Head?

Check out the size and position of this fin. Does that look like a dolphin to you? Me neither.

UPDATE: They caught two sharks in this South Carolina river

Steve Triplett of Madison posted this photo his sister-in-law took yesterday on the beach at Hilton Head, and it's been shared nearly 20,000 times on social media. "That is a huge shark and it is close to the shore," he wrote. "And there were two of them! I'm done..."