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The long tail propels thresher sharks through the water at high speeds.

While thresher sharks tend to hang out alone, they have been known to hunt in small teams of two or three. Scientists are not sure what makes some thresher sharks decide to hunt alone, while others choose to hunt in groups. Most of the time, thresher sharks only come around other sharks to mate. As apex predators, thresher sharks do not have to worry about being hunted by other animals. Some sharks travel in groups for protection from predators, but this is not necessary for the thresher shark.

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