Akkorokamui: Akkorokamui is a gigantic octopus-like sea monster from Ainu folklore.

Akkorokamui - Represents the mysterious and formidable forces of the sea and holds cultural significance in Ainu mythology

Akkorokamui

Akkorokamui - Represents the mysterious and formidable forces of the sea and holds cultural significance in Ainu mythology

Akkorokamui is a gigantic octopus-like sea monster from Ainu folklore. It is said to reach lengths of up to 120 metres and lurk in the deep waters of Uchiura Bay in Hokkaido. Its name, meaning 'tentacle-holding kamuy', underscores its formidable and mysterious nature.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

Akkorokamui's portrayal as a gargantuan cephalopod resonates with similar sea monster legends worldwide, demonstrating the universal human fascination with the mysteries of the ocean.

Share this mythical creature:

Quick Creature Info

Associations:

Element: Water

Our Mythic Legendary Rating:

Ethereal Power
Ethereal Power rating

Also Sometimes Known As:

At-kor-kamuy

Habitat:

Deep seaDeep marine environmentOceanHokkaido, JapanInhabits the coastal and deep waters of Uchiura Bay in HokkaidoMarineUchiura Bay

Supernatural Powers:

ImmortalitySuper Strength

Physical Attributes:

Multiple long tentaclesEnormous bodyOctopus-like morphology

Abilities:

Enormous physical forceGigantic sizeFormidable tentacles

Behavior:

UnpredictableOften portrayed as a mysterious and formidable presence in the deep sea

Lore:

Mythological sea monsterAinu folkloreRepresents the mysterious and formidable forces of the sea and holds cultural significance in Ainu mythology

Related Creatures, Tales or Lore

References

Discover Another Mythical Legend You May Not Have Heard Of?

Uncover the mysteries of ancient folklore and expand your knowledge of legendary beings from cultures around the world.

Dare to Meet the Troll....

Curated by the Mythological Creatures Team (rev. May 2025)