A diver found a massive "sea cucumber" moving along the ocean floor near the Philippines in this video from a couple years ago. If you've never heard of a sea cucumber, be assured, it's a real thing.

Sea cucumbers may appear slow and unassuming, but they have developed an incredible and unforgettable defensive strategy.

Sea cucumbers, long confined to the slow-moving category of marine critter, are actually high-speed travelers, new research reveals. When they fancy a change of scene, the sea creatures balloon up ...

Sea cucumber is especially popular in China where, like shark fins, they are seen as a status symbol and believed to have medicinal properties. These slow-moving, shallow water animals are easy to ...

The skinny, eel-like fish approaches the sea cucumber and gives it a sniff, moving up and down the length of its soon-to-be victim with its body pointed almost vertically.

Sea cucumbers are marine invertebrates in the class Holothuroidea that live on the sea floor in both shallow and deep waters. They are echinoderms like sea urchins and starfish, which are also known ...

If Buddhists are right about that whole reincarnation thing, it’d be hard to imagine what you’d have to do wrong to die and come back as a sea cucumber. One minute you’re human and the next ...

Sea cucumbers ' eating habits may ... colors and sizes," says Clements. "Some of them are very large." They're slow-moving ... "But putting the two together — looking at coal disease and sea ...

The words "coral reef" evoke a riot of color and life. But the ecosystem's disappearing. Now, new evidence points to an ally for the coral reef: a little creature called the sea cucumber.