Among the species spotted ... also known as the "luminous jellyfish", it is the one with the red mark, among the most stinging in the Mediterranean. Although it does not cause serious burns ...

The scientists named the jellyfish Santjordia pagesi because of its bright red stomach that resembles the Cross of St George ...

A rarely seen red jellyfish has been spotted in deep water off the coast of southern California. Scientists from Exploration Vessel Nautilus used a remotely controlled vehicle to dive down and ...

Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of ...

The ocean never runs out of surprises, and this time, it decided to show off a red-eyed Medusa jellyfish gliding through a tidepool in San Diego. With its translucent body and fiery red center ...

Black widow spider is simple to recognize with the red hourglass spot on its underside ... The impact of the sting differs according to the species of the jellyfish, whereby some species have ...