A shark knocked a 7-year-old Florida boy off his surfboard last week. At first the boy thought it was just a regular fish, but once the family looked back at the video, they soon realized it was a shark! The boy’s father posted a video on Twitter showing his son getting knocked into the water. He said his son wasn’t hurt and is enjoying all the attention from the viral video. The man thinks it was a blacktip shark that knocked his son into the water. Check out the video