Millions of endemic jellyfish, Mastigias papua etpisonii, are found in Palau's famous Jellyfish Lake, a marine lake inside a huge limestone island.

- Image ID: R14JHM
Millions of endemic jellyfish, Mastigias papua etpisonii, are found in Palau's famous Jellyfish Lake, a marine lake inside a huge limestone island.
Ethan Daniels / Alamy Stock Photo
Image ID: R14JHM
Location: Jellyfish Lake, Palau, Micronesia