The giant phantom jellyfish is found everywhere except in the Arctic. This species thrives in the bathypelagic zone, which extends to depths of up to 13,000 feet below the ocean’s surface.

It was during three such trips in early 2022 that Viking tourists snapped pictures and took video of the giant phantom jellyfish. A year later, other guests had spotted a handful more, National ...

As it turns out, these lucky travelers are among only a handful of people ever to lay eyes on the giant phantom jellyfish, or Stygiomedusa gigantea. Until that point, in January 2022, there had ...

Giant phantom jellies also differ from other jellyfish by being viviparous, meaning they give birth to live young. The young develop inside the mother before detaching from inside the hood and ...

Research on alien-like deep-sea jellyfish has hinted at a previously unknown barrier in the North Atlantic Ocean.

"It is extraordinary that we know so little about such large marine creatures as the giant phantom jellyfish; however, now we have the means to make regular observations at greater depths than ...