Check out this selection of slugs sliding around on their slime. Slug slime is incredible stuff, composed of water loving hygroscopic proteins that form a gel/slime that allows them to glide effortlessly over any surface. The slime serves a defense, since any organism that tries to bite down on it will get all gummed up as the proteins bind all available water (this is why your moth feels fuzzy if you lick one - please don’t). Slugs also use the slime to communicate with each other, leaving behi