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.

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!