Expedition 15 Videos

These long, thin worms are commonly known as “spaghetti worms.” Hundreds of them lie among rocky outcroppings on the seafloor near certain deep-sea vent sites. As they drape themselves across the rocks, they may filter nutrients out of the water but according to marine biologist Horst Felbeck, not much is yet known about them. “They tend to disintegrate when you try to pick them up, which makes studying them kind of difficult,” he said.