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, ...

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 ...

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 ...