Umibozu is a demon of Japanese tradition.
A giant black head that shatters boats out of a still sea.
The Umibōzu is a feared yōkai among Japanese seafarers: a giant, pitch-black head rising out of a mirror-smooth sea, tipping stillness into storm. Documented in writing since the Edo period, presumably older in oral tradition.
Type: Yōkai, black sea monk
Origin: Japanese coastal belief
Texts: pictorial sources from the Edo period
Period: Edo period to the present
Appearance: bald giant head from a calm sea
Documented in writing mainly from the Edo period, presumably older in oral tradition.
The Japanese coasts nationwide, with regional name variants.
Good: Edo-period woodblock prints as well as the collections of Yanagita and Foster.
Japanese: umi means sea, bōzu alludes to the shaved head of Buddhist monks: Umibōzu is the sea monk.
Appearance
A smooth, hairless giant head, black as the night sea, without a body.
Effect
When the weather turns, it shatters boats or drags them into the deep; if it demands a scoop, it uses it to sink the boat.
The key characteristics of the sea monk at a glance.
Yōkai of Japanese coastal tradition, documented since the Edo period.
Fishermen and coastal sailors on the open sea at night.
A bald, pitch-black giant head without a body.
Utagawa Kuniyoshi’s colour woodblock print from around 1845 depicts the legend of the boatman Tokuzō, who sets sail at year’s end against custom. The Umibōzu asks what is most terrible; Tokuzō’s answer, his own trade, makes it vanish along with the storm.
Kuniyoshi’s Tokuzō print became the iconic image of the yōkai, related to the legend of the European sea monk, a fish-like being caught off Denmark in 1546. From a religious-studies perspective, the Umibōzu marks the boundary between the coastal world and the sea and sanctions setting sail at year’s end.
If the Umibōzu demands a ladle, one hands it a bottomless one, a motif it shares with the Funayūrei. Not setting sail at year’s end and not staring at the being: these are the rules of conduct. Recognised protective means include amulet, salt and holy water.
Related is the giant red octopus Akkorokamui of Ainu tradition. Like the Umibōzu, the Greek whirlpool monster Charybdis rises from the sea, but remains bound to one place rather than appearing only sporadically.
What does the Umibōzu demand?
A vessel; one hands it a bottomless one, so it scoops into empty air.
When does it appear?
At night on a calm sea that suddenly turns, the last day of the year being particularly risky.
Recommended internal links:
Further standard works in the bibliography.
Searched for as umibozu yokai, the black monk’s head remains above all one thing: a Japanese sea monster of the still night over a mirror-smooth sea.
Against its influence, cross-cultural tradition names these protective means:
Compare in the Protection Compass →Recommended protective means
The simplest protective means in this collection: 41 layers of fine gold 999, platinum, silver and silicon, manufactured in Ruhla, Thuringia. It requires no activation, is bound to no person, and is effective within a radius of around 50 meters, even without being worn.
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