This purply-brown seaweed is a common feature on our rocky shores and on our dinner plates.

Found on rocky shores around the UK, Chitons are a kind of mollusc identifiable by their characteristic coat-of-mail shells.

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

The common mussel is a familiar sight on shores all around the UK and is a favourite food of people, seabirds and starfish alike.

The ragworm is highly common on our shores, though rarely seen except by the fishermen that dig them up for bait.

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

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

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