Probably other animals and/or organic debris. Why it's awesome: With their shimmering golden coats, these worms almost look glamorous — until you see their horrifying jaws, which resemble the mouth of ...

Why it's awesome: With their shimmering golden coats, these worms almost look glamorous — until you see their horrifying jaws, which resemble the mouth of the xenomorph from "Alien." The worms ...