Ikuchi (イクチ)

Name Meaning

Ikuchi (イクチ) is a mythical sea creature whose name may be linked to “slithering” or “dripping.”

Origin

  • Described in Edo-period texts such as the "Mimibukuro" by Negishi Yasumori.
  • Primarily associated with the seas around Japan’s eastern coast.

Appearance

  • Long and serpent-like, sometimes described as miles in length.
  • Leaves behind oily slime as it moves.
  • Only a portion of its body is seen at one time as it passes over boats.
Ikuchi sea serpent
Japanese sea creature

Behavior & Myths

  • Slithers across ships during the night, covering them in slick slime.
  • Sailors must bail out the slime quickly or risk sinking.
  • Believed to be mostly harmless but causes panic due to its massive size.

Symbolism

  • Represents the unpredictable and eerie power of the ocean.
  • May symbolize maritime superstition and unexplained phenomena at sea.
  • A cautionary tale about preparedness on the water.
Ikuchi yokai artwork
Mythical sea serpent Japan