A jelly fish like thing that has big teeth at the bottom it can use to suck the life out of its victims. The Metroids on SR388 possess a multitude of different body structures and sizes, a result of their complex life cycle that drastically alters their physiology as they grow. They begin life as jellyfish-like creatures before molting into a form akin to an arthropod's, until eventually reaching adulthood with the features of a theropod; various Metroid husks are discarded. Hates ice 