It sounds like an ’80s social venue, but the “disco clam”, Ctenoides ales, gets it name from the dazzling light show it puts on to discourage predators. You can see the dancing lights and get more information about this strange bivalve, at the American Association for the Advancement of Science: http://news.sciencemag.org/plants-animals/2015/01/disco-clam-lights-scare-predators-away

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