The lightbulb sea squirt is common around much of the UK. Its easy to see where its name came from!

This sponge is found on rocky shores around the UK and looks like a thick bready crust (if you use your imagination a bit!).

This large sea slug is anything but dull!

The sea hare looks like a sea slug – but in fact has an internal shell. They can be up to 20cm long but are usually much shorter.

Sometimes called 'Wild spinach', Sea beet can be cooked and eaten. It grows wild on shingle beaches, cliffs and bare ground near to the sea, as well as in saltmarshes.