Kurage-no-hinotama (クラゲの火の玉)

Name Meaning

Kurage-no-hinotama (クラゲの火の玉) translates directly to "jellyfish fireball," reflecting its ghostly, glowing, floating appearance at night.

  • Kurage = Jellyfish
  • Hinotama = Fireball, will-o'-the-wisp

Origin

  • Reported in coastal and fishing villages where eerie lights were spotted hovering over water.
  • Linked to both natural phenomena and ghost sightings in local lore.
  • Mentioned in Edo-period collections of strange sightings.

Appearance

  • Glowing, translucent orb resembling a jellyfish.
  • Appears to drift gently, undulating like it swims through air.
  • Sometimes said to leave a faint trail or pulse of light.

Behavior & Myths

  • Seen as a bad omen or sign of nearby death.
  • Thought to be the soul of a drowned person or spirit of the sea.
  • Disappears if approached, like other hitodama or atmospheric ghost lights.

Symbolism

  • Represents ethereal beauty and the mystery of oceanic spirits.
  • A visual metaphor for fleeting life and ghostly presence.
  • Symbolic of unresolved death or tragedy at sea.
Kurage-no-hinotama yokai
Fireball jellyfish spirit