New Venomous Worm That Folds Like an Accordion Discovered by Divers

New Venomous Worm That Folds Like an Accordion Discovered by Divers

A newly discovered ribbon worm off the coast of northwest Spain has a strange party trick: it compresses itself into a set of tight, symmetrical rings, collapsing to just one-fifth of its full length—like a living accordion. The species, Pararosa vigarae, was found about 30 meters underwater, lurking beneath rocks in the Galician subtidal zone. When fully stretched, it measures around 25 centimeters (nearly 10 inches). But when it contracts, it …