An adult swimming cnidarian is called a medusa.
No, a free swimming form of a cnidarian is called a medusa. Polyps are typically attached to a substrate and have a cylindrical body with a mouth surrounded by tentacles at one end. Medusae have a bell-shaped body with tentacles hanging down.
A bell-shaped cnidarian adapted for swimming is known as a medusa. Medusae have a jelly-like, umbrella-shaped body with tentacles hanging down and are capable of free-swimming movements in the water. They are typically the adult form of cnidarians, with the polyp form being the stationary phase in the life cycle.
Medusa
polyp
Cnidarians have simple structure; a blind ended gut, tentacles, a pharynx and several other minor organs, and gonads.
Medusae
Polyp
a crazy guy named Steve
a crazy guy named Steve
a crazy guy named Steve
Medusa