Brittle stars, sea urchins and other starfish will want to stay out of the way of this speedy carnivorous starfish!

Our largest starfish, the spiny starfish can reach an impressive diameter of 70cm!

A most familiar seashore inhabitant, the common starfish truly lives up to its name in UK seas and rockpools!

The bloody henry starfish is normally a bright purply-red colour and is found all around the UK.

This small, round sea urchin is (unsurprisingly!) green in colour and can be found on rocky shores around the UK.

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

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…