A jellyfish is a marine animal that belongs to the Cnidaria type. It has a soft, jelly-like body that consists of water and transparent flagella called tentacles. At the ends of the tentacles are flagella-knemidox, which can secrete poison used for protection and hunting prey. Jellyfish can have different sizes and shapes, from small and simple to large and complex. They live in seas and oceans all over the world and are an important part of the marine ecosystem. Some jellyfish can be dangero...
