What are nematocysts ? What are Aurelias ?
nematocysts are structures found in animals of the phylum cnidaria. They come in all forms (barbs, hollow spears, etc.), their main purpose is to protect the animal from predators and aid in the collection of food. Some of them are connected to a small poison sac, which in some cases is harmful to large animals like humans.
Aurelia is a genus of scyphozoan jellyfish, commonly called moon jellies. There are at least 13 species in the genus Aureliaincluding many that are still not formally described.
Aurelia is a genus of scyphozoan jellyfish, commonly called moon jellies. There are at least 13 species in the genus Aureliaincluding many that are still not formally described.