Diperbarui: 5 Apr 2020
There are jellyfish that do not have stings. Ornate Cassiopeia is their name. Generally known by the name Stingless jellyfish. This change is due to the natural evolution of life on the habitat of these jellyfish. Living in close environment make the jellyfish do not have threat from vertebrate. Therefore this type of jellyfish do not need stings to protect themselves.
In the world, there are only two places which is the origin habitat of this type of jellyfish. Kakaban Island in Indonesia and Palau, Micronesia.
source stingless jellyfish