![]() Can you spot the worm's pinkish, two-spined trap door? If the worm detects a disturbance, in a blink of an eye, it pulls in its gills and closes its trap door for protection. Caroline Rogers
Off in the distance, through the clear seawater, you can see what looks like another coral. Swim over to investigate it at Station D.
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Last updated: May 31, 2016