Few animals seem less animal-like than sea cucumbers. The long, slender beings often appear motionless like the vegetable they resemble as they bask on the seafloor. They lack a brain, eyes or obvious ...

From their bizarre name to their blobby worm shape to the fact that its anus is also a mouth, sea cucumbers are some of the most outlandish things in the ocean. There are more than 1,700 species in ...

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, ...

There’s plenty of weird stuff going on in the oceans. But here’s something I had never seen before: how a sea cucumber eats. The video is from 2017’s Blue Planet II but recently went viral again on ...

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 ...