What Are Ocean Worms
Ocean worms are elongated, soft-bodied invertebrates that live in marine environments. They belong to several phyla, including Annelida, Nemertea, and Sipuncula. They range from tiny, thread-like forms to large ribbon worms and tube-dwelling species. Most are bilaterally symmetrical and lack hard shells.
Where Ocean Worms Live
Ocean worms inhabit sandy, muddy, and rocky seabeds worldwide. They are found in intertidal zones, shallow coastal waters, and deep-sea trenches. Many burrow into sediment, while others live inside tubes or hide under rocks and coral rubble.
Why Ocean Worms Matter
Ocean worms play key roles in marine ecosystems. They help recycle nutrients by breaking down organic matter and aerating sediments. Many species are prey for fish, birds, and other marine animals. Some tube worms also provide habitat for small organisms. Learn more about marine worm diversity from the Smithsonian National Museum of Natural History at naturalhistory.si.edu.
