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One of world’s smallest fish found to make sound as loud as a gunshot (www.theguardian.com)

submitted 8 months ago by [email protected] to c/[email protected]

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Scientists discover how Danionella cerebrum, measuring width of adult human fingernail, can create noises exceeding 140 decibels

One of the world’s smallest fish, measuring about the width of an adult human fingernail, can make a sound as loud as a gunshot, scientists have said.

The male Danionella cerebrum, a fish of about 12mm found in the streams of Myanmar, produces sounds that exceed 140 decibels, according to the study published in the PNAS journal, equal to an ambulance siren or jackhammer.

The most common mechanism in fishes to produce sound involved vibrations of their swim bladder – a gas-filled organ used to control buoyancy – driven by rhythmic contractions of specialised “drumming” muscles, the paper said.

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[–] [email protected] 9 points 8 months ago (1 children)

Yes, they can hear it

[–] [email protected] 2 points 8 months ago

Amazing