A Stygiomedusa gigantea, commonly known as the giant phantom jelly, was filmed at 250 meters below the surface.

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company.

The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen at around 250 meters. The discovery came amid findings of vast coral reefs and suspected new species.

Scientist off the coast of Argentina are reeling after a rare giant jellyfish sighting. The underwater footage offers a ...

Rare deep sea footage off Argentina shows a giant phantom jellyfish. Here are some facts, its size compared to humans and ...

Scientists spotted a rare jellyfish with huge ribbon-like arms deep in the ocean, where dozens of possible new sea species ...

An expedition across Argentina's entire coastline leads to the discovery of new species and the true extent of the Bathelia ...

Sharks are often imagined as massive, powerful predators cruising through open water, but not all sharks are great white-sized. Along the coasts of the United States and in the deep offshore waters, ...

Rare footage captures the giant phantom jellyfish off the coast of Argentina, one of the least-seen deep-sea creatures, ...

The oarfish is one of the longest bony fish in the ocean, yet it spends most of its life far beyond human observation. When ...

Scientists have recorded rare footage of a giant phantom jellyfish off Argentina’s coast. The deep-sea creature, with arms as ...

A giant oarfish was found by the residents of Guinayangan, Quezon floating at the Guinayangan Municipal Fishport.