Flower hat jellies exemplify the paradox of the medusas, or bell-shaped jellyfish: They’re both delicate and menacing. Sitting on the seafloor, waving colorful tentacles, they lure fish ...

Freshwater jellyfish are growing in abundance in Canadian lakes and rivers. The reasons are complex but climate change is the primary culprit.

What is even more interesting is that the jellyfish had its prey, a tiny mullet fish, trapped inside its almost transparent ...

Banfield told the Daily Mail, referring to the small fish trapped within the digestive system of the jellyfish. The Mauve Stinger jellyfish is rarely seen near UK shores and would more likely be ...

Its sting can hurt a lot, but it's usually not dangerous. It catches small fish and plankton with its tentacles. The Nomura’s Jellyfish, scientific name Nemopilema nomurai, is another very big ...

Craspedacusta sowerbii are the only known species of freshwater jellyfish, according to the National Park Service. The small ...

Last week, the Iowa DNR reported two jellyfish sightings in Iowa water bodies, doubling the state’s sightings in just one week. The U.S. Geological Survey said this is likely due to fish ...