These smugairle róin (translates from Irish as 'seal snot') seem to be on the increase, although in the absence of monitoring and data about jellyfish distribution and abundance, it is hard to know for sure

These hardy-looking turtles are now regular visitors to Irish shores — good news for swimmers put off by the abundance of lion's mane and compass jellyfish drifting by our coast

Which ones are dangerous? Why they are appearing further inland? And what to do if you get stung