Annelids: Diopatra, Tube-Dwelling Worm


Diopatra’s vertical tubes cover a mudflat seen at low tide. Speeding up the day, we see the tide come in and cover the tubes. Now underwater, the worms reach out to feed on algae.

Next Generation Science Standards for this Video

Since tube-dwelling mudflat worms are sedentary and attached to the ocean floor, they must stretch their bodies out to gather food.

Diopatra is a tube dwelling worm adapted to mudflat tidal changes. It closes up at low tide and feeds at high tide.