Australian Box Jellyfish (you dont swim in the ocean in north Queensland from November to April, these things kill.) This specimen takes the cake for being the most lethal jellyfish in the entire world.
The Australian or white-spotted jellyfish (Phyllorhiza punctata), are a beautiful species native to the Western Pacific ocean, but also found in North America, where they are an invasive species. See more jellies on the next page!
Amazing Images: The Best Science Photos of the Week
Pin It Credit: Jellyfish image via Shutterstock In a bloom of sea tomato jellyfish in Australia was so enormous — it stretched for more than miles from north to south — that it was even visible from space.