Yes, both dangerous and friendly :-)
Australia
The box jellyfish, which can be fatal to humans.
Australia. It's most-known for its deadly jellyfish.
5748567
In the Water.
Australia
I believe it to be the Irukandji jellyfish, found near Australia.
the box jellyfish
There are a number of jellyfish species native to Australia. The giant spotted jellyfish is a particularly pervasive species which has started spreading to the norther hemisphere, specifically the water of the United States and even as far as Ireland. The most dangerous species of native jellyfish is the box jellyfish, of which there are several sub-species. A sting from the tentacles of the Australian box jellyfish Chironex fleckeri can cause death within minutes, although some people have survived it.
yes.
Australia
They are located in Hawaii and Australia!