Umi-nyōbō (海女房)

Name Meaning

Umi-nyōbō (海女房) literally means "sea wife" or "ocean lady," referencing her female form and marine origin.

  • Umi (海) = sea
  • Nyōbō (女房) = lady or wife

Origin

  • Appears in coastal legends across Japan.
  • Often described in tales where fishermen lose their catch to mysterious forces.
  • Linked to the belief that the sea itself has feminine, mysterious qualities.

Appearance

  • A humanoid sea creature with a female form.
  • May have seaweed-like hair, fish scales, or aquatic features.
  • Appears soaked, wearing tattered robes or fisherman’s clothing.

Behavior & Myths

  • Steals fish and supplies from boats at night or during storms.
  • May be attracted by the smell of fresh catch or bait.
  • Sometimes asks fishermen for alms or offerings in exchange for safe passage.

Symbolism

  • Embodies the mystery and danger of the sea.
  • Represents superstition surrounding unexplained maritime losses.
  • Possibly serves as a cautionary figure for greed or disrespect to the ocean.
Umi-nyobo yokai
Fish-stealing sea woman