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Michael McCarthy of http://www.seethroughcanoe.com See Through Canoe was boating in St. Petersberg, Florida, when he launched a drone to observe a passing school of jack fish and a group of manatees on February 28. The drone footage shows the https://www.theonlinefisherman.com/jack-crevalle jack fish as they swam in https://www.twofishdivers.com/2018/12/why-do-fish-swim-in-circles/ circles , a technique often used by schools of fish protect themselves against predators, gain feeding advantages, and for more efficient swimming. After the fish circle for a few moments, some manatees swim into the frame from different directions and appear to observe the fish and their movements. A few moments later, one of the manatees swims into the circle formation, causing a slight disruption in the otherwise uniform school of fish. "One of the manatees looked like he was going to join in," McCarthy told Storyful. (Footage By Michael McCarthy/Storyful via Getty Images)