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Writer's pictureGretchen Lang

To delight and disgust, jellies invade Belvedere Lagoon


From left, Bernard, Kathryn and John Huger of Leeward Road examine some of the moon jellyfish that Bernard pulled from the Belvedere Lagoon, just off their dock, on May 27. (Elliot Karlan / For The Ark)

They’re not dangerous, just yucky.


Lagoon residents are experiencing their first jellyfish infestation in a generation. A nuisance to swimmers and a delight to curious kids, jellies are suddenly everywhere, and lagoon managers are at a loss for how to get rid of them.


The gloopy animals, which can grow to the size of dinner plates, have been identified as moon jellyfish, Aurelia aurita, one of the most common species and thought to be on the rise worldwide. Unlike some jellyfish species, moon jellyfish have little or no sting, so they aren’t dangerous to swimmers or kids. Nevertheless, some swimmers are staying out of the water.


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