Question

WHY I JELLY FISH AN INVERTEBRATE WHEREAS A FISH IS A VERTEBRATE?

Answer 1

Rhizostoma is popularly known as the Jelly fish, which is a marine coelenterate without a backbone. So a jelly fish comes under the sub phylum invertebrata. Whereas fish is having internal skeleton or backbone, so it is a vertebrate coming under Super class Gnathostomata.