Cristy Burne

Science writer, children's author, editor

Selective genetics or ghosts reborn? Legend of the Samurai crabs

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Defeated Heike warriors are turned into crabs as they are tossed from their ships. (Paintings by Kuniyoshi)

I’m doing some research for book 4 of the Takeshita Demons series (which I think will be set on the ocean) and I came across this awesome story:

Legend of the Samurai crabs

On April 24, back in 1185, two powerful Samurai clans fought to the death on the Dan no Ura bay of Japan’s Inland Sea.

The ruling clan, the Heike (house of Taira), was led by their child-Emperor, Antoku, and his grandmother.

The Heike had ruled for many decades, but now, massively outnumbered, they faced defeat at the hands of the Genji clan (house of Miyamoto).

This crucial battle was a turning point for Japanese history: the Genji clan’s victory at Dan no Ura marked the beginning of seven centuries in which Japan was ruled by warriors and Shoguns instead of Emperors and aristocrats.

But back to the battle…

For the Heike, surrender wasn’t an option. But when 3000 enemy ships attacked under cover of a storm, they were vastly outnumbered and underprepared.

Knowing a bad deal when she saw one, the Emperor’s guardian and gran took the child’s hand and together they jumped into the ocean, opting for death on their own terms rather whatever gruesome end would be on offer from the enemy.

The remaining Heike warriors, about 1000 ships-worth in all, followed their leader into the ocean or were thrown there by the enemy and left to drown.

Remembering bravery and loss

Now, every April, there is a festival to remember the Heike.

But the festival isn’t the only way these warriors are remembered:

Legend has it that the warriors still walk the ocean floor, albeit sideways.

The story is that when the Emperor jumped, he and his warriors were transformed into crabs, called heikegani, or Heike crabs (Heikea japonica in Latin; 平家蟹 in Kanji). But the transformation was not complete: the shells of these crabs are still marked with grooves and ridges that form the faces of the Samurai warriors.

Samurai crab

Genetics or ghosts?

There are three schools of thought on the Heikegani crab:

1) Artificial selection:
Theory 1 has it that local fishermen weren’t keen on eating the spirit of a brave samurai, so any crab with a shell that looked even vaguely like a samurai’s face was thrown back.

The result? Ordinary crabs were removed from the sea in favour of samurai crabs, and these samurai crabs went on to breed and produce more samurai crabs. Crabs that most resembled a samurai were most likely to live. Check out this explanation by popular scientist Carl Sagan.

2) Muscles and guts
This is the most boring of the arguments. Apparently there are at least a dozen other species of crab around the world that also have human faces on their shells. The theory here is that although the ridges and lines on the crab’s shell might seem to form faces, they are actually positioned to protect muscles and organs underneath the shell, and have nothing to do with samurai warriors.

3) Ghosts!
The crabs are indeed reincarnations of the drowned warriors, and these warriors live, even today, on the sea floor, ruling the depths of the ocean…


Which theory do you think is true?

Other posts you might enjoy:

Could Harry Potter’s Invisibility Cloak really make someone invisible?

How to write a synopsis: four big secrets and an example

8 cool myths about dogs, and why the inugami dog-god didn’t make it

How to keep your New Year Resolution: Papier mache daruma dolls

 

Author: cristyburne

Author: http://www.cristyburne.com

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