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1 .This is Scientific American 60-Second Science. I'm Katherine Harmon. Got a minute?
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2 .They're called thresher sharks.
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3 .But perhaps thrasher is more accurate.
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4 .Because a population of these fearsome predators was spotted engaging in an unusual hunting strategy.
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5 .Forget jaws, try the other end.
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6 .Researchers observed them slapping their long, scythe-like tails at high speeds through the water.
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7 .These whaps stunned or killed several smaller fish with each strike.
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8 .The observations were made off the coast of the Philippines.
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9 .Killer whales and dolphins also may use a similar tail-slapping strategy.
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10 .But this is the first time the behavior has been seen in sharks.
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11 .Although the formidable, three-meter-long pelagic thresher shark seems able to catch food face-first,
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12 .the ability to immobilize more than one fish at a time makes the method highly efficient.
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13 .The findings are in the journal PLoS ONE.
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14 .These sharks used both vertical and horizontal tail slaps to capture prey,
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15 .which were stunned or killed either by direct impact or by a shockwave from the smack.
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16 .More than a third of the vertical slaps resulted in a meal for the shark,
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17 .better stats than when sharks chased prey head on.
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18 .And that's no tall tale.
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19 .Thanks for the minute, for Scientific American 60-Second Science. I'm Katherine Harmon.
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