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All the Pretty Jellyfish

While in the tiny Western Pacific island nation of Palau, WHOI researcher Pat Lohmann visited one of Palau's natural wonders, Ongeim&#8217;l Tketau, also known as Jellyfish Lake. There he trained his high-definition video camera on the thousands of jellyfish undulating around him.<br /><br />The landlocked saltwater lake is home to millions of globular jellyfish ranging from minuscule to basketball-size. Every day, like clockwork, they all swim in a mass back and forth across the quarter-mile-long lake. Tourists don snorkels and swim among the pulsing blobs. The lake's jellyfish are mostly <i>Mastigias</i> whose ancestors came into the lake from the nearby ocean.

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