Lion's mane jellyfish
The long mane of tentacles that stream out from the lion's mane jellyfish is stunning… literally! Look but don't touch when it comes to these jellyfish - they give a powerful sting.
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Blue jellyfish
Often confused with the larger but similarly shaped lion’s mane jellyfish, the blue jellyfish can be colourless when young and develop a striking blue-purple bell as it matures.
Barrel jellyfish
Giants of the jellyfish world, these incredible creatures are the UK’s largest jellyfish! They can grow to the size of dustbin lids – giving them their other common name: dustbin-lid jellyfish.…
Moon jellyfish
The moon jelly is the most common jellyfish in UK seas, often washing up on our beaches. No need to worry though - it doesn't sting humans.
Identify UK jellyfish
Here are the different types of jellyfish commonly spotted in UK waters. Read our guide to find out what jellyfish you might have seen on local beaches near you.
Compass jellyfish
It's easy to see where the compass jellyfish got its name – its brown markings look just like a compass! They may look beautiful – but they give a nasty sting so keep your distance.
Marine wildlife and me
Donal Griffin, marine conservation officer for The Wildlife Trusts, shares the experiences that inspired his love for the sea.
Cardigan Bay Marine Wildlife Centre
This link will open on the South and West Wales Wildlife Trust website.
Cardigan Bay Marine Wildlife Centre visitor centre
Blashford Lakes - Wildlife Explorers
This link will open on the Hampshire and Isle of Wight Wildlife Trust website.
Become a wildlife explorer for the morning and discover amazing species at Blashford Lakes.
Explore the shore this National Marine Week
From the comfort of your own home, with a DIY rockpool ramble or a socially distanced sea-watch, help The Wildlife Trusts discover and celebrate our wonderful shore and seas
Coastal and marine surveying
This link will open on the Cumbria Wildlife Trust website.
Explore and record our coastal and marine wildlife. All welcome!
The Wildlife Trusts’ marine review 2020
The Wildlife Trusts’ Living Seas teams are the eyes and ears of the UK coast and today they reveal their most memorable highlights of 2020 – a marine review of the year.