What is the 'doomsday fish'?

(NEXSTAR) -- It is not common for the oarfish, a deep-sea, ribbon-shaped creature, to wash up on shore, but when it does, some believe it could mean that something bad is going to happen.The oarfish is commonly known as the "doomsday fish."The "doomsday fish" can grow to be up to 30 feet long and typically resides down to 1,000 meters in the mesopelagic zone of the ocean, according to Ocean Conservancy, making a sighting of the massive creature extremely rare.Oarfish are filter feeders, meaning