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…

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

As its name suggests, Sea spurge is found at the coast. It is an attractive plant that displays cup-shaped, greeny-yellow flowers and fleshy, grey-green leaves.

Native oysters are a staple of our seas and our plates - but our love of their taste has lead to a sharp decline all around the UK.

A small colourful sea slug that can be found grazing on sea mats on the rocky shore and beyond the low water mark.

Although, commonly referred to as a ‘sea snail,’ this species in fact belongs to the fish family!

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

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