An enchanting and mesmerizing paradise exists in Palau – judged to be the #1 underwater wonder of the world.
Palau’s waters host as many as 600 types of coral and 1500 species of fish.
The following excerpt is from MNN – ‘Where the jellies roam’ (link at end of blog).
While many cnidarians are known for their lethal stings, the two species that live in this lake — the moon jellyfish and the golden jellyfish — are harmless, making them perfect swimming companions. Protective stingers were rendered pointless after the gelatinous, glass-like creatures evolved in a closed environment lacking in predators …
‘Diving in Jellyfish Lake’, published on Apr 18, 2013, Welcome to Jellyfish Lake! Population: millions! It’s about as unique as a dive location can get … and our crew can safely swim amongst its cnidarian residents since their stings are harmless to humans. Time for a little dive in jellyfish soup!
‘Jellyfish Lake’, uploaded on May 8, 2006 – Trip to visit a million stingerless Jelly fish at Jelly fish Lake Palau
link to mnn.com article