Shark Week came early to Florida. Tens of thousands of sharks have been spotted from Boca Raton to Jupiter, Fla., as they migrate north along the coast, reported WPTV. Officials closed area beaches. Marine biologists noted the annual migration is occurring earlier than usual this year, possibly due to warmer ocean temperatures.
Most of the passing predators are spinner sharks (Carcharhinus brevipinna), which grow to 10 ft. (3 m) long. The sharks earned their name from the bestial ballet they perform while hunting. The sharks attack schools of fish by racing towards the surface, then twirl as they leap from the water while grabbing their prey from below.
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Spinner sharks live along coasts around the world. However despite their wide distribution the shark is listed as near threatened or vulnerable in parts of its range by the International Union for the Conservation of Nature. The sharks are hunted for their meat as well as for their fins which are used in soups.