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

This strange furry creature often found washed ashore after storms is actually a kind of worm!

These mysterious and beautiful creatures rely on warm ocean currents to ‘sail’ them around the world... not a bad life?

This dazzling moss grows in dark places, catching any faint light to glow a golden-green.

This grass-green seaweed is sometimes known as Grass Kelp and grows on pretty much every shore in the UK.

These gruesome sounding creatures are actually a type of coral! They get their name as they branch out into lobes as they grow - making them look like fingers on a hand.

The tops of Oarweed fronds can be spotted floating on low tides. Kelp beds are an important habitat, providing shelter for many other marine creatures.