Sea cucumbers don’t have a brain, but what they do have is a set of five ‘nerve strings’ that run horizontally down the ...

Sea cucumbers are marine invertebrates found in every ocean around the world. There are over 1,700 known species, ranging from less than an inch to over 6 feet long. Although many have elongated, ...

Sea cucumbers spend their lives prowling the ocean floor, scavenging for food and generally minding their own business. We can see snails leading similar lives, slimy but not bothering anyone. Yet ...

The defense mechanisms animals use to evade or fight off predators can be both bizarre and fascinating. Some use camouflage or mimicry, while others have protective armor. Sea cucumbers, however, use ...

These spiny or slimy ocean creatures display an astonishing diversity of appearances, behaviors and lifestyles—and many are increasingly threatened Katarina Zimmer, Knowable Magazine Sea cucumbers ...

Researchers inside a deep-sea vehicle collected sea cucumbers from the seafloor, then discovered two new species. Jong Marshes via Unsplash Off the western coast of Australia, the Wallaby-Zenith ...