Japanese cat yokai
Nekomata and Bakeneko Explained
In Japanese folklore, an ordinary house cat can become something stranger with age. It may stand like a person, lick oil from a lamp, speak in a human voice, or reveal a tail split in two. That is the world of bakeneko and nekomata: stories where the most familiar animal in the house becomes the one thing no one fully understands.
Last updated: 2026-05-07
A cat that has become strange or supernatural, often after living close to people for many years.
Often the older, forked-tail form of cat yokai; in some stories it also appears as a mountain monster.
A long or split tail, humanlike behavior, lamp-oil licking, speech, dancing, ghost fire, and danger around the dead.
A familiar animal becomes uncanny because it knows the house, the family, and the secrets people keep indoors.
The short version
What Are Nekomata and Bakeneko?
Bakeneko are Japanese cat yokai: cats that have changed into supernatural beings. They are usually imagined as domestic cats that became uncanny after years in a human household.
Nekomata are closely related. In many explanations, a nekomata is the older, stronger cat yokai whose tail has split in two. In other stories, the word can point to a dangerous wild cat of the mountains. The boundary is not always neat, which is why the safest short answer is: bakeneko is the broader transforming-cat idea, while nekomata often names the forked-tail form.
These are not only monster stories. They are also stories about trust inside the home: how people treat animals, what happens after long years of closeness, and why a quiet creature by the hearth might feel both beloved and alarming.
Where the story begins
From House Cat to Yokai
An old cat watches the house
The story usually begins with a cat that has lived in a home for a long time. It knows the kitchen, the lamp, the sleeping mats, the funerals, and the quarrels. That closeness is exactly what makes it unsettling.
Small signs become suspicious
The cat stands on its hind legs, dances with a cloth over its head, licks oil from the lamp, or seems to understand human speech. Ordinary cat behavior starts to look like a message from another world.
The tail changes the meaning
When the tail grows long or splits in two, many tellings read it as the visible mark that the cat has crossed into yokai territory. That is where the nekomata image becomes especially strong.
The home becomes dangerous
Bakeneko and nekomata tales can involve curses, fire, corpse disturbance, impersonation, or revenge against people who mistreat the animal. The threat comes from inside the household, not from a distant wilderness.
The story moves onto the stage
By the Edo period, cat-demon tales were not only whispered at home. Artists and theater makers turned them into striking images: old cats, ghostly women, dramatic confrontations, and scenes that audiences could recognize at a glance.
Bakeneko vs nekomata
The Difference Is in the Tail, the Setting, and the Story
If a story says only that an old cat has changed, taken human form, cursed a household, or danced at night, bakeneko is often the natural word. It gives you the broad category: a changed cat.
If the story emphasizes a tail that forks in two, the name nekomata becomes more likely. The split tail is a simple visual sign, which is why nekomata became easy to recognize in prints, encyclopedias, and modern yokai art.
Some accounts also keep a mountain version of nekomata: a large catlike being that attacks travelers far from town. That mountain layer feels different from the house-born cat yokai, but both show the same anxiety: the cat is no longer small, ordinary, or safely under human control.
Main signs
How People Recognized a Cat Yokai
Split tail
The clearest nekomata sign in many modern explanations: one cat, two tails, and a body that no longer belongs only to ordinary life.
Lamp oil
Cats could be drawn to fish-based lamp oil. Folklore turned that nightly habit into a warning image: a cat, a flame, and a house after dark.
Human posture
A dancing cat is funny for a moment, then eerie. The animal begins to imitate people, and the familiar rules of the home start to wobble.
Speech and disguise
Some cat yokai understand people, speak, or take human form. The frightening part is not only magic; it is the possibility that the house has been watched and understood.
Ghost fire
Blue or strange fire links the cat to night, danger, and supernatural power. It also reflects the everyday fear of fire in wooden homes.
Corpse taboo
Many stories warn against letting cats near the dead. The cat becomes a boundary-crosser between the living household and funeral space.
Prints and theater
How Cat Demons Became Public Images
Bakeneko and nekomata did not stay as private household rumors. Edo-period picture books and prints gave cat yokai bodies, poses, and dramatic scenes that readers could remember. Toriyama Sekien's yokai books helped fix the two-tailed cat as a recognizable image.
Theater made the old-cat story even more vivid. The Okazaki cat demon and related kabuki scenes turned household fear into public spectacle: actors, ghostly disguises, revenge plots, and prints by artists such as Utagawa Kuniyoshi. That is one reason the cat yokai can feel both folkloric and theatrical today.
Common misunderstandings
What People Often Get Wrong
Bakeneko and nekomata are completely separate species.
They are better understood as related cat-yokai traditions. Nekomata often means the forked-tail form, but older sources and local tellings do not always draw a hard line.
They are only cute magical cats.
Modern designs often soften them, but older tales include curses, death taboos, fire, disguise, and revenge.
Every old cat becomes a yokai.
Folklore treats age, long tails, and odd behavior as story signs. It is not a claim about real cats.
Nabeshima or Okazaki is the single origin.
Those stories are famous reception points, especially through later tales, prints, and theater. The wider cat-yokai tradition is older and broader.
They are just Japanese versions of Western ghost cats.
The comparison can help at first, but bakeneko and nekomata belong to Japanese vocabulary, visual culture, household beliefs, and funeral anxieties.
Similar figures
Figures Often Compared With Cat Yokai
Kitsune
Fox yokai also shapeshift and deceive, but kitsune stories have their own shrine, fox-spirit, and Inari associations. Cat yokai are more closely tied to households, tails, lamps, and funerals.
Tanuki
Tanuki stories often lean comic, earthy, and prankish. Bakeneko and nekomata can be comic too, but their fear usually comes from intimacy: the old pet that knows too much.
Kasha
Kasha are linked with corpses and funerals, sometimes with catlike imagery. Bakeneko and nekomata are transforming cats that may disturb the dead, but they are not simply the same figure.
Rokurokubi
Both hide a frightening night form inside ordinary domestic life. Rokurokubi stories center on human bodies and necks; cat-yokai stories center on animal transformation.
Jorogumo
Jorogumo and cat yokai can both take human form. The spider story turns on entrapment and hidden predation, while cat stories often turn on age, household closeness, and revenge.
Why it still matters
Why These Stories Still Hold Attention
Nekomata and bakeneko endure because they start with a feeling many people recognize: a cat is close to the human world, but never fully inside it. It watches without explaining itself. It moves at night. It belongs to the house and also seems to keep its own law.
The folklore turns that everyday mystery into story. A neglected animal may return as revenge. A beloved old cat may become a protective presence. A flicker near the lamp may become ghost fire. The result is a figure that can be frightening, funny, elegant, tragic, or strangely affectionate depending on the telling.
Modern manga, anime, games, and character design often make cat yokai cute or stylish. That is part of their afterlife, but the older stories are richer when you remember the room around the cat: the lamp, the hearth, the funeral, the wooden house, and the years of shared life that made the animal uncanny in the first place.
Further reading
Sources and Further Reading
Yokai.com - Bakeneko
Describes bakeneko as transforming house cats connected with age, long tails, speech, dancing, lamp oil, fire, and danger around corpses.
Folklore referenceYokai.com - Nekomata
Explains nekomata as powerful cat yokai, including two-tailed house cats and mountain forms.
Yokai encyclopediaYokai.jp - Bakeneko
Summarizes old domestic cats that gain supernatural powers, with notes on lamp oil, funerals, curses, and the blurred boundary with nekomata.
Yokai encyclopediaYokai.jp - Nekomata
Covers forked-tail nekomata, mountain accounts, ghost flames, human speech, and household-deity nuances.
National library sourceNational Diet Library - Toriyama Sekien and yokai images
Introduces Toriyama Sekien's Edo-period yokai picture books and their influence on later yokai imagery.
Digitized public-domain bookSmithsonian Libraries - Gazu Hyakki Yagyo v. 1
A digitized copy of the illustrated yokai book that helped make figures like nekomata visually recognizable.
Museum object recordThe Met - Scene from a Ghost Story: The Okazaki Cat Demon
An Edo-period woodblock print by Utagawa Kuniyoshi showing how cat-demon stories entered popular visual culture.
Museum object recordBritish Museum - Okazaki old cat kabuki print
A Kuniyoshi print connected with the Okazaki old-cat scene and kabuki performance in 1847.
FAQ
Nekomata and Bakeneko Questions
What is the difference between nekomata and bakeneko?
Bakeneko is the broader idea of a transforming or supernatural cat. Nekomata usually points to the forked-tail cat yokai, often older and more powerful, though some traditions also describe mountain nekomata.
What does bakeneko mean?
Bakeneko is commonly understood as a changed, transforming, or ghostly cat. In folklore it is usually an old domestic cat that gains uncanny powers. Those powers may include speech, disguise, dancing, curses, fire, or disturbing the dead.
Why do nekomata have two tails?
The split tail works like a visible sign of transformation. It shows that an ordinary cat has crossed into a more powerful yokai state.
Why do bakeneko lick lamp oil?
In early modern Japan, some lamp oil could be fish-based, so a cat might naturally be attracted to it. Folklore turned that ordinary behavior into an eerie nighttime sign.
Are nekomata and bakeneko evil?
Many stories make them dangerous, but not all make them purely evil. Some punish cruelty, repay kindness, protect a home, or act with a mixed moral force. Their power usually depends on the story being told.
Are these stories still popular today?
Yes. Nekomata and bakeneko appear in manga, anime, games, art, and yokai guides. Modern versions are often cuter or more magical, but the older stories are darker and more domestic.