Moon jellyfish
As the name goes, they look so much like the moon and with their lighted bodies; it is hard to miss their grandeur in the waters. These jellyfish type is quite common, you see them in many aquarium displays. They can sting real hard, but the irritation they can be mild, but nonetheless they are categorized as dangerous by many marine biologists. Many swimmers fail to acknowledge the fact that they are very dangerous and can be lethal.
