A cerianthid burrowing anemone builds a tube in the sediment out of secreted fine threads and mucus, which it can withdraw rapidly into and completely for protection.
Anemone
Image courtesy of NOAA Office of Ocean Exploration and Research, Gulf of Mexico 2017.
A cerianthid burrowing anemone builds a tube in the sediment out of secreted fine threads and mucus, which it can withdraw rapidly into and completely for protection. Download larger version (jpg, 1.3 MB).
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