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The Rising Jellyfish Tide (NPR)
There’s been a spike in the number of jellyfish on Mediterranean beaches this summer. Scientists blame overfishing — and possibly climate change. The British government has put out a warning to its citizens vacationing near those waters.
Up to 150,000 people are treated for jellyfish stings on Mediterranean beaches each year, and that number is on the rise. Along some stretches of Spain’s coast, scientists have spotted huge, mile-long blooms of jellyfish, sometimes with 30 to 40 animals per square yard of sea.
Marine biologist Stefano Piraino thinks overfishing is one of the reasons jellyfish populations are growing. He said if you take fish out of the oceans, it leaves more food for jellyfish. The jellyfish here are known as Pelagia noctiluca, the mauve stinger.