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Ray tails have long been mysterious. Scientists may have finally discovered their function
Even though the tails lash back and forth while the rays swim, they are not used for propulsion; similarly, they are not used to kill prey or thwart predators. For centuries scientists have ...
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Which animal has the longest tail?
Related: Do wolves wag their tails? "Thresher sharks feed on schooling prey (i.e. small fishes, etc.). They swim through these bait balls and use their tails to stun their prey and then swim ...