Zoning demarcation on this flat shore is not clearly defined. Spiral Wrack, Fucus spiralis , occurs on the topshore, the seaweed growing where the promenade wall adjoins the high tide mark. Otherwise, most of the visible shore is mid-tide level fauna. It is only on low springs that the lower shore animals and algae are revealed. For this reason, it is best to choose the part of the shore where the tide has receded the most.
Concrete groynes lead down to the sea.
Also two species of Acorn Barnacles, mostly Balanus balanoides , which can raze a nasty graze to the careless. In crannies, the first Beadlet Anemones , Actinia equina , can be spotted, appearing as jelly-like blobs in red and green. In sheltered locations, Periwinkles, Littorea littoralis , concregate. This edible mollusc is collected and numbers have been reduced appreciably. The flowers, which are generally purple, are sweet scented and appear from May to August.