Home Conservation Programs about palau biological significance

Non-singing Mastigias and Moon Jellyfish can be found in several Marine Lakes within Palau.


Biological Significance

  • More than 400 species of hard corals and 300 species of soft corals
  • The most plant and animal species in Micronesia, with a 25% endemism rate
  • More than 1,400 species of reef fish and seven of the world's nine species of giant clams
  • Micronesia's only populations of the endangered saltwater crocodile and dugong (sea cow)
  • Marine lakes that are home to unique non-stinging Mastigias and Moon Jellyfish
  • Lake Ngardok, the largest natural freshwater lake in Micronesia
  • One of the largest undisturbed forests in Micronesia
  • The largest numbers of endemic and resident bird species in Micronesia

Endangered Species Include:

  • Hawksbill Turtle
  • Dugong (sea cow)
  • Micronesian Megapode
  • Saltwater Crocodile
  • Rock Island Palm
  • Palau Palm

PCS uses the IUCN Red List as its guide to endangered and threatened species.