Amabie

In 1846, off the coast of Higo — modern Kumamoto — something was glowing in the sea at night. It kept happening, so eventually a local official went down to the water to look.

What came up had long hair, a beak like a bird's, a body scaled from the neck down, and three legs. It spoke to him. It said its name was Amabie, that it lived in the sea, and that the next six years would bring good harvests.

Then it added one instruction, and the instruction is the whole reason anyone remembers it:

If disease spreads, draw a picture of me and show it to those who fall ill.

Then it went back under the water and, as far as the record goes, was never seen again.

The entire primary record is one sheet of paper

This is worth being precise about, because it's remarkable.

The whole of the 1846 attestation is a single kawaraban — a cheap woodblock news-sheet, the Edo equivalent of a tabloid front page — carrying the picture and the story. That's it. One printed sheet, which survives.

Amabie was not a widespread belief. It was not a village tradition or a shrine deity or a creature people warned their children about. It was, essentially, a strange story in a newspaper, printed once, in one province, in one year.

There's an even better wrinkle. Scholars increasingly think amabie isn't even the right name. There's a well-attested prophecy-beast called the amabiko — three-legged, monkey-ish, hairy — recorded from 1844 and still being sold as a protective talisman in Tokyo in 1882. The leading suggestion is that "amabie" is a copying error for "amabiko": some printer misread a character, and the misprint is what survived.

The most famous plague-monster on earth may owe its name to a typo.

What kind of creature this is

Amabie belongs to a small, very odd Edo genre: the prophecy beasts. They all follow the same script. Something surfaces — from the sea, from a mountain, in a field. It announces a coming harvest or a coming epidemic. It prescribes its own image as the remedy. And then it disappears.

The kudan is one, a calf born with a human face whose predictions are always true. There's a shrine-princess version, and a prophetic bird. Every one of them tells you to copy their picture and pass it on.

Which is, if you think about it, an extraordinary thing for a monster to be. The creature's power is the instruction to share it. Its survival mechanism is built into its message. Edo print culture invented the share button and then drew a face on it.

2020

And then, one hundred and seventy-four years later, a disease spread.

In the first months of the COVID-19 pandemic, Amabie went off like a rocket across Japanese social media. Thousands of artists drew her — professional illustrators, manga artists, children, museums, people who had never heard of her three weeks earlier. She was on cakes, masks, tattoos, shop shutters. The hashtag ran for months.

And then the Japanese Ministry of Health, Labour and Welfare put her on official public-health messaging.

Stop and look at what actually happened there. A creature that appeared once, in 1846, in a single printed sheet, possibly under the wrong name, left exactly one instruction — draw me and show me to the sick — and a hundred and seventy-four years later a modern national government carried out that instruction, at scale, in a public health emergency.

Nobody planned it. Nobody organized it. It is the best-documented case anywhere of a piece of folklore executing its own directive across two centuries, and it happened in living memory, in front of everyone.