Most jellyfish (Lake)
Last updated: December 15, 2019 at 14:09 pm
Palau’s Jellyfish Lake (Palauan: Ongeim’l Tketau, i.e. Fifth Lake) contains an estimated 10 million golden mastigia jellyfish (Mastigia sp.), a landlocked species which evolved from the spotted jellyfish after it was denied access to the sea. Over the course of millennia, the jellyfish has lost its sting due to the lack of predators. Swimmers and divers may thus safely go through the masses without concern.
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.