"Since it appears as the shark is smiling, it made me smile," MacWilliams told Caters News Agency.
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The smile was so wide that many thought the shark looked like Bruce, the shark trying to kick his fish-eating habit, in the film "Finding Nemo."
According to the Huffington Post, although lemon sharks eat fish, rays and even other sharks, they are still known as one of the friendliest sharks in the ocean for divers, with only 22 reported attacks on humans.
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