A dead oarfish spotted along the Southern California coast marks the state's third sighting of the so-called "doomsday fish" this year.

A rare deep-sea oarfish, nicknamed the “doomsday fish” for its ominous reputation, has washed up on a Southern California beach, marking the third such discovery in recent months. The nearly 10-foot-long fish was found in Encinitas,

Considered to be the origin of the sea serpent tale, giant oarfish are a species yet to be largely researched by scientists.