Despite its name, the great spider crab is actually smaller than the more common European spider crab.

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.

Sea potatoes may have a funny name, but they are perfectly adapted for life in the sand. They are a type of sea urchin that live in a burrow in the sand, feeding on dead animals and plants using…

A large colourful sea slug found on rocky shores around the UK.

Sea lettuce is unmistakeable - most often a bright green and always translucent, it is found on all UK coasts.

The Norway spruce was introduced into the UK from Scandinavia in the 16th century. It is familiar to us all as the 'original' Christmas tree and displays hanging, reddish-brown, oblong…