If you look closely you can see the intestinal track of this sea cucumber. Here it is using its adapted feet to bring food-filled sediment to its mouth.
Sea Cucumber
Image courtesy of the NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana. Download larger version (jpg, 921 KB).

If you look closely you can see the intestinal track of this sea cucumber. Here it is using its adapted feet to bring food-filled sediment to its mouth.

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