Jellyfish-like creatures are the informal names given to the second phase of some gelatinous members of a subphylum Medusozoa, a large portion of the phylum Cnidium. These creatures are called jellyfish because they have a thin skin with a solid shell over it. They are also referred to as "jellyfish" because jellyfish can reproduce sexually. …

Do You Know the Difference Between a Stingray and a Jellyfish?Read More