Hagfish slime has the potential to become a stretchy fabric, say researchers. Enter the hagfish, a prehistoric eel-like creature that is more at home feeding on whale carcass at the bottom of the ocean. But they do have a trick up their sleeve, or rather tucked within their snake-like body - abundant, highly-condensed slime. A hagfish has no jaws, and its slime serves as a valuable form of self-defence. The slime has the potential to become a fabric, explaining that when the slime dries out, it becomes a silky, stretchy substance.