Sea anemones (Anemonia sulcata and Anemonia viridis) are dark, edible, viscous species, in iridescent green, pinkish and violet.

They have recently become a gastronomic delicacy at a handful of restaurants, most of which are found in Andalusia. 

The sea anemone is now under threat due to the spread of an Asian seaweed known as Rugulopterix okamurae.