Jellyfish warning for beach-goers
Scientists reckon the number of the slimy creatures is on the up.
The Marine Conservation Society thinks the rise is down to things like pollution, over-fishing and possibly even climate change.
It's asking for people to report any sightings of jellyfish. But people are advised to not touch them because they can sting.
A nuclear power station in Torness, Scotland, had to be shut down in June after jellyfish got into its cooling water system.
