Not exactly hollow. It's basically a mouth leading straight to its stomach. The tentacles sting the prey, and pass it to the mouth.
jellyfish is not listed as vertebrates because it is a hollow bodied-animals and one of the simplest invertebrates.
A Jellyfish
Jellyfish, hydras, sea animones, corals and other invertebrate animals with tentacles and hollow body. ---Co0leTs24
No. It is a very ancient hollow animal. It used to be in a group of animals called 'Coelenterates', meaning, "Hollow", but have more recently been reclassified.Jellyfish are not fish and are actually members of the phylum Cnidaria, not Chordata.
Ecothermic because jellyfish aren't warm blooded
Jellyfish are ocean animals with radial symmetry.
The animal that has the same adaptations as a box jellyfish is a string jellyfish
An actinosome is the body of a coelenterate, a simple aquatic animal bearing tentacles, such as jellyfish and anemones.
The jellyfish is in the "Cnidaria" group. A "Cnidaria" lives in the water and have soft, hollow bodies.
Water supports a jellyfish's body.
It's an animal.
Coral, jellyfish, and aneomes are hollow bodied animals