It is sometimes called the storey anemone[3] and is found on either side of the northern Atlantic Ocean.

Its natural habitat is on rocks, but it is also found on mollusc shells and large fronds of algae, from the fore-shore down to depths of about 100 m (330 ft).

When a prey item is encountered, a rhythmic succession of reflex actions take place by which the food particle is passed by the tentacles to the mouth and then swallowed.

[4] This sea anemone is able to divide repeatedly by transverse fission, an unusual behaviour which also occurs in Anthopleura stellula.

A rudimentary band of tentacles begins to grow on the column, after which the upper and lower regions pull themselves apart.