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 ...

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 ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. See Senior Director of TV Programming Meredith Speight’s recommendations from ...

Animals sting for two pretty straightforward reasons: to defend themselves and to catch prey. How they deliver them, though, can be pretty elaborate. Jellyfish (pictured, a lion's mane) have ...

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 ...