“To describe this polychaete [a type of segmented marine worm], one simply must use jazz hands — it is the only way to capture this deep-sea worm’s dazzle!” they wrote. Accompanying ...

A worm is a long, creeping animal, with a soft, often segmented body ... There are about 34,000 different types of worm; many are so small you wouldn't be able to see them without a microscope!