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Published on Feb 4, 2007
The jelly fish came to this lake in Palau through a tunnel which connected the sea and the lake long time ago. Now the tunnel have closed, and the jelly fish came to have no poison in an environment where there's no predator. They live by photosynthesis because they cannot feed on anything in this lake. This lake is such a heaven to them that there are just so many of them living here.