Beachside at Rhossili Bay, with the wreck of the Helvetia buried in the sand and Worm's Head on the horizon, Rhossili Bay, Gower, Wales, United Kingdom, Europe

Beachside at Rhossili Bay with the wreck of the Helvetia buried in the sand, and Worm's Head on the horizon, Gower Peninsula, near Swansea, Wales, United Kingdom, Europe

Sabellaria alveolata honeycomb worm reef, Mimid beach, Sidi Boufdail, Mirleft, Morocco, North Africa, Africa

Dusk over the wreck of the Helvetia and Worms Head at Rhossili Bay, Gower, Wales, United Kingdom, Europe

Sunset over the wreck of the Helvetia and Worms Head at Rhossili Bay, Gower, Wales, United Kingdom, Europe

Sabellaria alveolata honeycomb worm reef, Mimid beach, Sidi Boufdail, Mirleft, Morocco, North Africa, Africa

Intertidal sand reef made by the sandcastle worm, Playa Guiones beach, Nosara, Nicoya Peninsula, Guanacaste Province, Costa Rica, Central America

Intertidal sand reef made by the sandcastle worm, Playa Guiones beach, Nosara, Nicoya Peninsula, Guanacaste Province, Costa Rica, Central America

Worm's Head at high tide from the rocky seashore near Rhossili, Gower Peninsula, Wales, United Kingdom, Europe

Sanderling (Calidris alba), County Clare, Munster, Republic of Ireland, Europe

Lugworm (Arenicola marina), Angus, Scotland, UK

Sand Mason Worm (Lanice conchilega), typical structure of tiny hairs covered in grains of sand only 3cm high, Burnmouth, Scotland, UK North Sea

Rag Worm (Arenicola marina), sand worm cast on beach at low tide, Eyemouth, Scotland, UK North Sea

crocodile snake eel puhi an ambush predator buried in sand underwater Hawaii