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A Shark Heard a Sound Almost 76 Meters and Changed Direction to Escape From the Origin: Test Measures a Difficult Ability to Observe in the Ocean
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The next question is how their sensory system captures and interprets these distant sounds.The phrase is by Stephen Kajiura, a Florida researcher.
Sharks were thought unable to pick up sound from far off, but wild blacktip sharks off Palm Beach County, Florida, turned away from an underwater speaker from at least 62 metres away in drone video, while a 10-kilohertz tone above their hearing range drew no reaction
Drone video of wild blacktip sharks fleeing a loud underwater speaker puts a number on how far away they react to sound, though the study cannot yet say how they sense it.
Hearing sharks allows to detect underwater sounds at surprising distances. Researchers at the Atlantic University of Florida have discovered that black-spot sharks can perceive sound stimuli up to 74 meters and identify their direction, even when the source is far beyond the reach of other senses. How the hearing of sharks was investigated directly in the ocean?...
·São Paulo, Brazil
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