I've read up on them before but I don't know much, all I know is that they are known to kill with their venom, they have like 500,000 little micro things that are on the tentacles which is used to inject the venom I believe. And archipelago is just a term for a chain of islands, but the one I believe you a referring to is the one nearest to Australia, as that is where the common death(s)All of that is true, now, describe a Box Jellyfish that comes from the Archipelago and their venom. (you can use my submission as reference)