This little cuttlefish really lives up to its name - it only reaches about 6cm long!

This colonial creature looks like an old-fashioned quill - that's where the name sea pen comes from.

A strikingly beautiful fish, it is not hard to see where the ‘red’ mullet gets its name from!

This brown seaweed lives in the lower shore and gets its name from the serrated edges to its fronds.

This comical little duck lives up to its name – look out for the black tuft of feathers on its head!

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

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

As the name suggests, this beautiful brown butterfly is most common in Scotland, though it can also be seen in northern England.

This bumpy shell lives up to its name and lives partly buried in the seabed along the west coast of Great Britain.

Found on rocky shores and seabeds, the Keyhole limpet gets its name from the little hole at the tip of its shell.