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 bright red beetle, with black legs and knobbly antennae, the red-headed cardinal beetle lives up to its name. Look for it in woodland, along hedgerows and in parks and gardens over summer.

Did you know we have colourful corals in UK seas? Pink sea fans are a type of horny coral - related to the sea fans found in the tropics. Don't be fooled by their name though, pink sea fans…

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.

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

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