Since the worm in the video seems to be in one piece, it’s possible that if it was returned to the water within 10 minutes—about as long as the ribbon worms Kvist has collected seem to ...

Up to nearly 10 inches long, the animals have the ability to contract their bodies to one-fourth or one-fifth of their total size when disturbed. That animal is a ribbon worm — and a newly ...

The study effectively doubles the number of genetically characterized ribbon worm species known in the entire Indo-West Pacific—the largest marine biogeographic region on Earth. "This highlights ...

Tucked under the stones and shells of the shallow waters off Spain, one creature has the ability to completely alter its size. Up to nearly 10 inches long, the animals have the ability to contract ...