Report a jellyfish sighting

Your sightings contribute to marine research and are essential to monitor jellyfish populations around the UK. Jellyfish are important indicators of change in our seas and we use this data to monitor the health of the ocean.

Add the date using the following format: DD/MM/YY
Exact location of sighting e.g. use What3words, or you can find the latitude and longitude co-ordinates using Google Maps
Estimate the distance in metres
Estimate the distance in metres
If you aren't sure, check out our UK jellyfish identification guide.
How many jellyfish were there?
If you have any photographs of your sighting, you can send them to [email protected] or tag us on social media @mcsuk with the hashtag #JellyfishSighting