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, blue, moon, by-the-wind-sailor, portuguese man-o-war and mauve ...

As beach season gets underway, reports are already emerging of jellyfish sightings and stings. Lion's Mane jellyfish were spotted in Dublin, Ireland; several beaches in Mexico's Sinaloa state were ...

Sea swimmer Dave Berry on his way to St James Hospital in Dublin after he was stung by four lion's mane jellyfish off the coast of Arklow. Dave Berry on a swim from Dun Laoghaire to Newcastle in ...