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Sharks have long been thought to swim in silence, but now, a new recording has shown that they might actually […] ...

That pattern is called a glitter path." "The width of the glitter path is telling us how rough the water is. Where its narrow the waters calm and where it gets wider the waters a bit rougher." ...

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About 70 percent of the sounds were accompanied by a calm, swaying body movement, while 25 percent came with vigorous thrashing of the head or body. The other 5 percent occurred while the shark ...