Source: The Sydney Morning Herald, May 10, 2011
IF WHALES are the lead singers of the ocean, sea urchins are the back-up vocalists.
While it may surprise some that these spiky marine creatures make noise, a Sydney marine biologist plans to measure the contribution they make to the soundscape of the sea. Natalie Soars, a PhD candidate at the University of Sydney, said sea urchins produced a loud clicking noise as they fed or scraped up against rocks.
Read more: Rocking urchins provide the soundwaves.
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