By far the largest jellyfish in existence, the lion's mane jelly can measure as long as 120 feet. It is a fearsome, fascinating creature. Something of a gentle giant, lion's mane jellies will ...

The main species of jellyfish you're likely to encounter on Welsh beaches are: the lion's mane, compass, barrel or root mouth ...

From the ghostly glow of bioluminescent species like Aequorea victoria to the towering tentacles of the lion’s mane jellyfish, each species reveals a unique facet of nature’s ability to adapt ...

These polyps mature until they develop and bud off into a young free-swimming jellyfish.” The Lion’s mane jellyfish, Cyanea capillata, is the largest known jellyfish. They’re found in the Arctic, ...