A laboratory image of Chaetopterus pugaporcinus, aka the "pigbutt worm," an unusual ... crustaceans, jellies, and sea slugs each time they venture into the ocean’s deepest, darkest haunts.

Learn more about some of the best new discoveries: Off the southern coast of Japan, a new species of marine bristle worm, Eunice siphoninsidiator, was discovered living within the structure of ...

Inside deep-sea coral in the Pacific ... a new species of marine bristle worm, Eunice siphoninsidiator, was discovered living within the structure of glass sponges. These tube ambushing worms ...