Stayin' alive: Disco clam has a flashy defense strategy

January 5, 2015 1:15 PM

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Stayin' alive: Disco clam has a flashy defense strategy

Many predators lurk in the tropical waters of the Indo-Pacific Ocean, but the so-called disco clam has a flashy defense mechanism a spectacular light show to scare away potential threats.

These small, 2.8-inch-long clams have tiny shiny silica spheres in their lips that can reflect light and put on a glimmering underwater display. By studying the animal's flashes, researchers have determined that the disco clam (Ctenoides ales) may use this luminous ability to intimidate predators an...

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