Native oysters are a staple of our seas and our plates - but our love of their taste has lead to a sharp decline all around the UK.

This strange furry creature often found washed ashore after storms is actually a kind of worm!

These little critters are related to the woodlice you find in your garden and play a very important role on rocky shores.

These mat like growths found on kelp and seaweed are actually colonies of tiny individuals animals.

This large round urchin is sometimes found in rockpools, recognisable by its pink spiky shell (known as a test).

Despite its dazzling colouration, this fabulous nudibranch can be easily missed, due to its small size!

This dashing diving duck is a winter visitor to the UK's seas, coastal lakes and occasionally inland water bodies.

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.