<p><strong>Fig. 3.85.</strong>&nbsp;(<strong>D</strong>) Most species of sea cucumber have five rows of tube feet running along the length of their cylindrical bodies. The sea cucumber <em>Pseudocolochirus violaceus</em> is better known by its common name, the sea apple.</p>

Fig. 3.85. (D) Most species of sea cucumber have five rows of tube feet running along the length of their cylindrical bodies. The sea cucumber Pseudocolochirus violaceus is better known by its common name, the sea apple.

Image courtesy of Marrabbio2, Wikimedia Commons