In case you didn’t know this picture is of a jellyfish. They are so beautiful in an aquarium surrounded by blue lights, but they are sometimes deadly in nature. While jellyfish stings are painful, most are not emergencies. … But stings from some types of jellyfish — such as the box jellyfish (also called sea wasp) — are very dangerous, and can even be deadly.
Just for your info here is a picture of one to stay as far away from as possible: