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 ...

Sea cucumbers are marine invertebrates that live on the seafloor. They're named for their unusual oblong shape that resembles a fat cucumber. Although people occasionally eat sea cucumbers, these ...

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 ...