Medusae
flatworm. Sometimes they're ugly, sometimes they're cute, but look up a pic!
It is called the Medusa or the jellyfish. it has no blood, no bones, and no Brain and yet it is a living animal.
The cnidarian body form specialized for swimming is the medusa. Medusas are typically bell-shaped and have tentacles hanging down, allowing them to pulsate and propel themselves through the water. This form is often associated with the adult stage of jellyfish, which are well-known examples of swimming cnidarians. In contrast, the polyp body form is usually sessile and attached to a substrate.
Polyp
Medusa
polyp
a crazy guy named Steve
a crazy guy named Steve
a crazy guy named Steve
Medusa
Yes, it is a form of the verb "to swim." It is the present tense, third-person singular conjugation (he/she/it swims).
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.