While its venomous sting is considered moderate on the jellyfish pain scale, one should nevertheless be extremely cautious ...

It catches small fish and plankton with its tentacles. The Nomura’s Jellyfish, scientific name Nemopilema nomurai, is another very big and heavy species, weighing up to 440 pounds (200 kg).

It is relatively uncommon to find these jellyfish in British waters, especially in such large swathes, according to the Wildlife Trusts. The Mauve Stinger prefers warmer waters such as the ...

How, no one knows. “A big jellyfish bloom makes the headlines, while a lack of a jellyfish bloom isn’t even worth reporting,” says Lucas Brotz, a marine zoologist at the University of ...

the invasive jellyfish is a predator to native species and clogs up nets used to catch shrimp, according to the U.S. Department of Agriculture. “These jellies can form large ‘blooms’ that ...

"The sea is full of them and it's a big problem for biodiversity," says Silvio Greco, describing jellyfish as rampant, opportunistic species that immediately take over any empty space in the water.

But they are not strong swimmers. This is why jellyfish sometimes get washed up on the beach in large numbers after a storm. A jellyfish eats by stinging its prey and using the oral arms to waft the ...

The mystery mollusc, Bathydevius caudactylus, with its large jellyfish-like hood, snail-like body and finger-like appendages, defied expectations from the first sightings in 2000 from MBARI’s ...