Times Live says that buoy barnacles look like ordinary barnacles but have the ability to secrete their own gas-filled flotation devices and do not need to attach themselves to flotsam to get around.
Now thousands of these barnacles are visible in Hout Bay, Muizenberg, Hermanus, False Bay and Camps Bay. Griffiths says it is a "once-in-a-lifetime event" and encouraged people to keep a lookout for the creatures.
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