It was a “headless chicken monster,” or deep-sea cucumber, Enypniastes eximia, Schmidt Ocean Institute said in a Feb. 7 post on Twitter, now rebranded as X.

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 ...

Swimming sea cucumber. Swimming sea cucumbers – also known as “headless chicken monsters” – have a special “flap” which they use to “lift” themselves off the seafloor, up to 1000 metres through the ...

Scientists define the deep sea as encompassing all ocean waters below 656 feet (200 meters). In these regions, sunlight filtering through the water from above begins to dwindle, giving way to a ...

The black sea cucumber (Holothuria leucospilota) can shoot sticky threads from its anus in defence, while the leopard sea cucumber (Bohadschia argus) often has a tiny pearl fish residing inside its ...

Its name makes it sound like a piece of sexy lingerie, but don’t be fooled: the pink see-through fantasia is a sea cucumber, found about 1.5 miles deep into the Celebes Sea in the western ...