Nudibranchs are soft-bodied marine mollusks ... but another may have been spotted in the Mariana Trench in the Western Pacific. "Deep-sea animals capture the imagination," Robison said.

The results of these extensive studies, published in the journal "Deep-Sea Research Part I," indicate that the evolution of ...

“For this nudibranch and some other deep-sea animals, they engulf their prey,” Haddock said. “Instead of being stronger than their dinner, their flexibility absorbs the struggling movements ...

With deep-sea robots, scientists regularly reveal new ... scientists have concluded it's a species of nudibranch, more popularly known as sea slugs. A baited robotic lander lured a magnapinna ...

SEE ALSO: A dominant shark lurks in the deep, dark ocean ... scientists have concluded it's a species of nudibranch, more popularly known as sea slugs. But this creature might not resemble ...

The deep sea refers to the part of the ocean below 200 meters (656 ft.), at which light begins to disappear. Despite making ...