Sea cucumbers are echinoderms found in all the world’s oceans.
A sea cucumber has a fleshy, tube-like body. Its body is lined with lots of tiny feet. The feet have suckers on the ends.
The sea cucumber’s mouth has many tentacles around it. It uses these to eat plankton, and plant and animal scraps. As it crawls across the seabed, fallen food clings to its sticky tentacles.

Sea cucumbers crawl along the seabed using the suckers on their feet.
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"What is a sea cucumber?" was posted on Wednesday, August 29th, 2007 at 2:26 am.
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