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foxnews.com/lifestyle/500-pound-goliath-grouper-eats-shark-as-shocked-florida-fishermen-watch-he-just-sucked-it-in [foxnews.com]
Captain Jimmy Wheeler with Everglades Fishing Company watched as someone in his group caught a 3-foot shark. As the fisherman started reeling the creature in, a large shadow appeared. Wheeler instantly knew what was going to happen next.
....
Suddenly, an open-mouthed giant goliath grouper swam up and gulped the 3-foot-long shark down.