Thought to be the inspiration of sea serpent stories, the monstrously long oarfish provokes wonder in nearly all who witness it. Yet despite our fascination, little is known about this fish, its life cycle, and how it navigates its deep sea environment. With the help of a frozen specimen, CalState assistant professor Misty Paig-Tran provides us with a biomechanist’s insight into the physiology of this real-life sea monster.