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What is the Doomsday Fish?

March 10, 2026

Two giant oarfish, rarely seen deep-sea creatures sometimes called “doomsday fish,” were recently spotted near the shore in Cabo San Lucas, Mexico, in an extremely rare sighting.

About Doomsday Fish:

  • The oarfish is commonly known as the “doomsday fish”.
  • It is a deep-sea dweller that rarely comes near the surface.
  • Scientific Name: Regalecus glesne
  • Habitat: They are deep-sea dwellers, thriving most often in the zone least explored by scientists to date: the mesopelagic zone (waters down to 1,000 meters).
  • Features:
    • It is known for its long, ribbon-like body that enables the species to float inconspicuously throughout the water column.
    • It also boasts large eyes and foreboding red spines that stick out to form a crown-like cluster.
    • Oarfish is the longest bony fish known to exist in the ocean.
    • They float vertically and use their reflective bodies as a type of camouflage.
    • It is a filter feeder and primarily eats krill, plankton, and other small crustaceans.

Folklore Related to Doomsday Fish:

  • In some areas of the world, these creatures are seen as being harbingers of bad news, particularly disasters or destruction.
  • The oarfish has the nickname of “Ryugu no tsukai,” or “sea god’s palace messenger,” in Japanese folklore.
  • This myth traces back to the 17th century and says that the surfacing of the oarfish is a harbinger of future natural disasters.

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