Almost by chance, researchers in Norway found adult comb jellies reverse their development and become larva again when stressed by starvation. It helps them survive because larva eat less than the ...

Where did their adult jellyfish go, and how did an infant jelly come to be? This is the unfathomable story of comb jellyfish and how they can age in reverse. This is what their regenerative ...

One of the planet’s most notorious invasive species is a comb jelly, Mnemiopsis leidyi. A native of the east coast of North and South America, the comb jelly is capable of eating ten times its ...

Some develop into tentacles, for example; others become reproductive organs. Comb jellies may be the most ancient living animal. They have a nervous system and—this shocked specialists—two ...

This brownish-orange comb jelly of the genus Beroe is likely one of the five undescribed species characterized by the team of researchers. Credit must be given to the creator.

The fossil, an eight-armed swirl named Eoandromeda after the galaxy Andromeda, is believed by researchers to be the ancestor of modern comb jellies, which populate oceans worldwide and swim using rows ...

For example, this picture of a Diplulmaris antarctica jellyfish shows it feeds on comb jellies, with a Beroe present in its stomach, whereas numerous hyperiid amphipods (small parasitic ...

Jellyfish are sometimes called sea jellies. They belong to a group called Medusozoa which is divided into four classes: Hydrozoa, Scyphozoa, Cubozoa and Staurozoa. Comb jellies are also sometimes ...