Honeycomb worm
Enw gwyddonol: Sabellaria alveolata
Ever spotted a honeycomb-like mound on the beach and wondered what it was? It's a reef built entirely by worms!
Species information
Ystadegau
Up to 1m tall and several metres long.Statws cadwraethol
A Feature of Conservation Importance for which Marine Conservation Zones can be designated and a UK Biodiversity Action Plan Species.