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Noisy Eaters Are Cause of Mysterious Ocean Sounds

News Type: Event — Seeded on Tue Aug 19, 2008 11:02 AM EDT
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If noisy chewing bothers you, never date a sea urchin.

New Zealand scientists say they have confirmed that the spiny sea creatures are responsible for a mysterious, twice-daily uproar heard underwater.

The 20- to 30-decibel noise is caused by the spiny sea creatures' teeth scraping on reefs as the hungry starfish relatives feed on algae and invertebrates.

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