Researchers confirmed what was already known: jellyfish eat bigger prey as they grow, which means they also occupy a higher position in the food web as they grow. They also found that some of the ...

In the dark and cold of the months-long polar night, food resources are limited. Some groups of marine organisms in the polar regions overcome this challenge by going into a metabolic resting state in ...

This understanding of jellyfish has come under scrutiny in recent years as marine biologists have used new tools to figure out what eats what in the sea. Prey leave a chemical signature in the ...

The Arctic is changing rapidly due to climate change. It is not only affected by increasing surface temperatures, but also by warm water from the Atlantic, which is flowing in more and more – changing ...

WASHINGTON -- The first deep sea red-light district -- glowing appendages on a newly discovered jellyfish relative -- appear to flash their come-hither message to lure prey. Jellyfish and other types ...

Scientists have captured video of a terrifying species of cannibal jellyfish that they call a "gelatinous predator." The intriguing creature has never been seen before, but researchers found it ...

Every year, World Jellyfish Day celebrates one of the ocean’s most enigmatic creatures. Graceful yet dangerous, simple yet ...

Divers often come across weird, unexpected things. It’s not always a good idea to investigate up close. But when John Roney saw a tentacle just above him, he had to see what was happening. “Several ...

Drifting along in ocean currents, jellyfish can be both predator and prey. They eat almost anything they can capture, and follow the typical oceanic pattern of large eats small. Now a recent ...