Marine biologists in New Zealand have discovered that rig sharks, commonly mistaken as silent predators, can actively produce sounds in the form of sharp clicks. This groundbreaking finding occurred during a study on their hearing, led by Carolin Nieder. By placing juvenile rig sharks in controlled environments with microphones, researchers confirmed that the sharks emitted high-frequency clicks while moving. This discovery may change our understanding of shark communication and behavior, as they utilize their specialized teeth to create these sounds without a vocal organ.
At first we had no idea what it was because sharks were not supposed to make any sounds; I remember coming home and thinking how weird those sounds were.
We gathered ten juvenile rig sharks, placing them into tanks equipped with microphones. All of them emitted high-frequency clicks.
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