The immortal jellyfish, known as Turritopsis dohrnii, has the ability to reverse age and theoretically live an eternal life.

A sharp decline in the big Box Jellyfish population along the north Queensland coastline has experts concerned, with ...

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 ...

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 ...

UMT senior lecturer warns public after hundreds of the Portuguese man-of-war jellyfish washed ashore at the beach in Marang, ...

The larva will move about in the current until it finds a hard surface to establish itself. It will then start to mature and grow. Larvae mature into polyps, which will then bud off and mature into ...

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 ...

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 ...

When the jellyfish is damaged or stressed, it shrinks in on itself, reabsorbs its tentacles, and settles on the seafloor as a cyst ...

Not only is it not a jellyfish, it's not even an "it," but ... The man-of-war comprises four separate polyps. It gets its name from the uppermost polyp, a gas-filled bladder, or pneumatophore ...

Jelly blubber are overwhelming the Hawkesbury River and some say harvesting them for sale as a delicacy may be the solution.