Biologi-folket: hva er dette for skapning? Funnet i mengder på en Jyllandsk sandstrand mot Kattegat. Porøse, kjegleformede «hus», fangbørste ved munn. 3-7 cm.

A marine worm is partially buried in sand among seaweed and shells on a beach. (Text generated by AI)A marine worm on a sandy beach. (Text generated by AI)A close-up shows a hand holding a small, textured stick with a mollusk or shellfish attached to one end. (AI)A variety of broken shells and small, sandy marine debris are scattered on the beach.