This fingernail-sized, unassuming creature possesses the rare ability to revert back to its juvenile polyp stage after reaching maturity, which is an early stage in the life cycle of a jellyfish ...

There are some 3,600 species of hydrozoans. These are typically smaller than scyphozoan jellyfish. The polyp stage of their lives is usually more conspicuous than the small adult jellies. However, not ...

as jellyfish play significant roles in oceanic food webs and nutrient cycling. Polyp Stage: The Early Life of a Jellyfish The life cycle of a jellyfish is a tale of transformation. Jellyfish begin ...

In some cases, a new arm would begin to regrow. Cordeiro’s work for the lab is focused on juvenile jellyfish known as polyps. The researchers chop and separate the cells of the polyp. “You start to ...

Some species never grow up; they remain branching colonies of polyps. And one hydrozoan, the immortal jellyfish (Turritopsis dohrnii), seen here in a water drop, has a life cycle that skips death ...

Anyone unfamiliar with the biology of the venomous Portuguese man-of-war would likely mistake it for a jellyfish ... man-of-war comprises four separate polyps. It gets its name from the uppermost ...