Scientists chose to study a jellyfish species that is 'representative' of many creatures that live in deep water An experiment to test how seabed mining could affect deep sea life has revealed ...

And one hydrozoan, the immortal jellyfish (Turritopsis dohrnii), seen here in a water drop, has a life cycle that skips death: It reverts from a medusa back to a polyp. How, no one knows.

Late at night, in the open ocean, Anthony dives in water more than 2,000 metres deep. His aim is to photograph tiny deep sea creatures that migrate ... With a flattened body and eyes on stalks, its ...

The duo were searching a group of ocean animals known as hydromedusa (commonly known as jellyfish) during their dives. These small animals live in deep waters and only come to the surface at night ...