The doomsday fish got its name because it looks like a mythical sea creature, with a long, ribbon-shaped body that can grow up to 30 feet.

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

Two incredibly rare - and incredibly strange - oarfish have washed up on California beaches this year. Before now, only 18 had been documented on beaches in the state since 1901. Scientists say changing ocean conditions could have something to do with it.