Mermaid

Grindylow

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Tradition / Region: British Mythology
Category: –
Related figures: Mermaid, Swamp dweller

The Myth

In the marshes and stagnant ponds of northern England, something waits beneath the surface.

The Grindylow is said to dwell in meres, bogs, and reed-choked pools—especially in Yorkshire and Lancashire. It is described as a small, humanoid creature with scaly green skin, sharp claws, pointed teeth, and long, sinewy arms ending in unnaturally long fingers. Those arms are its most feared feature.

The Grindylow does not roam far from water. It hides below the murky surface, patient and unseen. When a child wanders too close to a pond’s edge, when small feet slip on wet stones or lean too far over still water, the creature strikes. With its powerful grip, it seizes the victim and drags them down into the dark.

Few tales describe what happens beneath the water. The horror lies in the suddenness—the splash, the grasp, the disappearance.

Gallery

Sources

Wikipedia contributors. (n.d.). Grindylow. In Wikipedia, The Free Encyclopedia. Retrieved February 14, 2026, from https://en.wikipedia.org/wiki/Grindylow

Interpretive Lenses

Religious Readings
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Philosophical Readings
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Psychological Readings
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Esoteric Deep Dive
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Political / Social Readings
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Other
  • How to Invite The Grindylow

Amabie

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Tradition / Region: Japanese Mythology
Alternate Names: Amabiko, Amahiko
Category: Mermaid

The Myth

Amabie is a mysterious Japanese yōkai resembling a mermaid, with a mixture of human and fish-like features. It has long hair, a scaly body, a beak-like mouth, and three legs. Its body shines with a brilliant light that can be seen from the shore, making its appearance in the sea an extraordinary and unsettling sight. Despite its unusual appearance, Amabie is regarded as an auspicious creature whose image can protect people from disease.

The only recorded sighting of Amabie took place in Higo Province, in what is now Kumamoto Prefecture, in April 1846. For several consecutive nights, a mysterious light appeared over the sea. Eventually, a government official went out to investigate the phenomenon. As he approached the glowing waters, a strange creature emerged and introduced itself as Amabie.

The creature delivered a prophecy, declaring that a bountiful harvest would continue for six years. It also warned that disease might spread among the population. If an outbreak occurred, the official was instructed to show Amabie’s image to people everywhere, as doing so would protect them from harm. Having delivered its message, Amabie returned to the sea.

The encounter soon became known through a printed illustration and an account of the creature’s prophecy, which were distributed so that people could learn about its appearance and protective power. Amabie’s image became associated with protection against illness, reflecting the desire for supernatural safeguards during periods when devastating diseases threatened communities.

Amabie’s identity and name remain mysterious. Its story closely resembles those of other prophetic yōkai, including the Amabiko and Jinja Hime, which appear to deliver predictions concerning harvests and disease before disappearing. Like Amabie, Amabiko is associated with a three-legged body and the belief that reproducing and sharing its image can protect people from illness. It is possible that Amabie represents a regional variation of Amabiko or that its name arose from a copying error, although its precise origin is unknown.

Amabie belongs to a broader tradition of supernatural beings whose appearances offer warnings about the future while providing people with a means of protection. Its combination of prophecy, brilliant light, and unusual anatomy distinguishes it as a mysterious guardian of human well-being, emerging from the sea to deliver a message before vanishing into the waves.

Sources

Wikipedia contributors. (n.d.). Amabie. In Wikipedia, The Free Encyclopedia. Retrieved February 14, 2026, from https://en.wikipedia.org/wiki/Amabie

Ne Hwas

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Tradition / Region: Wabanaki Mythology, American Mythology
Alternate Names: Nehwas, Newas, Niwah
Category: Mermaid

The Myth

In the waters of the Passamaquoddy homeland, there is a spirit remembered as Ne Hwas—a being of river and sea, half woman and half fish, moving between the world of people and the deep places beneath the surface.

One story tells of two young girls who wandered too close to the water’s edge. They were drawn by the shimmer of the tide and the distant singing that seemed to rise from beneath the waves. Whether through curiosity, longing, or enchantment, they entered the water—and did not return as they had been.

When they were seen again, it was in the currents. Their bodies had changed. From the waist down, they bore the glistening tails of fish. Their hair flowed around them like riverweed, and their voices carried strangely across the water. They were no longer bound to the shore.

Some say they had become spirits of the water, Ne Hwas, belonging now to the hidden world beneath the surface. They swam through inlets and along rocky coasts, appearing at times to fishermen or children who lingered near the tide pools. They were not cruel, but neither were they fully human anymore. The water had claimed them.

Those who glimpsed them told of sadness in their eyes, as though they remembered the warmth of the land but could never quite return to it. And so their story remained—a warning and a wonder—about the deep waters, and how those who step too far into their mystery may find themselves changed forever.

Sources

native-languages.org contributors. (n.d.). Ne Hwas. In native-languages.org, from https://www.native-languages.org/ne-hwas.htm

Lumpeguin

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Tradition / Region: Wabanaki Mythology, American Mythology
Alternate Names: Lampeqin, Lampekwin, Lumpegwen, Lumpeguinuwok (plural)
Category: Mermaid

The Myth

In the rivers and coastal waters of Wabanaki lands dwell the Lumpeguin, small and powerful water spirits. Some say they appear as little people with shining eyes and long hair dripping with river water. Others say they are like tiny mermaids, with human faces and fish tails flashing silver beneath the surface. They move easily between water and shore, belonging fully to neither.

The Lumpeguin are beings of quiet magic. They can multiply food from almost nothing. A scrap of bread may become a feast in their hands. A handful of snow may be baked into warm loaves. Some carry enchanted pots that never empty, feeding those they favor. Their gifts, however, are never given lightly.

Like many nature spirits, a Lumpeguin’s power is bound to a magical garment—an article of clothing that allows them to move between worlds. If that garment is stolen, the Lumpeguin falls under the power of the thief. In old tales, men—and sometimes even animals—have hidden these garments and forced Lumpeguin women to remain on land as wives. Though they may live for a time among humans, their hearts remain with the water. If they ever recover their hidden clothing, they return at once to the rivers and are never seen again.

One tale tells of two Lumpeguin sisters who were captured in this way by Marten, a clever forest being. He hid their magical garments and claimed them as wives. The sisters lived with him, but they did not forget who they were. Through patience and cunning, they eventually regained their garments and set off on journeys of their own, traveling through forest and water alike, neither fully captive nor fully free until they reclaimed their power.

The Lumpeguin remind those who hear their stories that the spirits of the rivers cannot be possessed without consequence. Water gives life and sustenance, but it belongs first to itself. Those who try to bind it may hold it for a while—yet in the end, it always slips back to its own depths.

Sources

native-languages.org contributors. (n.d.). Lumpeguin. In native-languages.org, from https://www.native-languages.org/lumpeguin.htm

Stia

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Tradition / Region: Macedonian Mythology
Alternate Names: Стија
Category: Mermaid

The Myth

In the deep lakes of Macedonia dwell the stia—mysterious female beings who are half woman and half fish. Their long hair flows like river weeds in the water, and their tails shimmer beneath the surface like the scales of a great silver carp.

The stia rarely reveal themselves to humankind. By day they remain in the dark, silent depths, where sunlight cannot reach. There, among sunken stones and drowned branches, they gather and drift like pale shadows. But when the moon rises and lays a path of silver across the lake, they rise closer to the surface.

Fishermen tell of hearing soft singing carried over still water on windless nights. Those who follow the sound may glimpse a pale face rising from the lake, framed in long, wet hair. Some say the stia watch quietly from the reeds, their eyes shining just above the surface before slipping away without a ripple.

They are said to guard the hidden places of the lake—the deepest hollows and coldest springs. Anyone who ventures too far into their waters, whether out of greed or arrogance, risks being drawn downward. A sudden tug at the ankle, a swirl of water where none was before, and the lake closes again as if nothing had happened.

Yet the stia are not always cruel. In some tales, they have been seen weeping beside the bodies of drowned youths, combing their long hair in sorrow. Others say they sometimes guide lost children back toward shore, pushing them gently with unseen currents.

Beautiful, distant, and dangerous, the stia belong to the still waters and moonlit depths, where the boundary between the human world and the hidden world beneath the lake grows thin.

Sources

Wikipedia contributors. (n.d.). Macedonian Slavic mythology. In Wikipedia, The Free Encyclopedia. Retrieved February 14, 2026, from https://en.wikipedia.org/wiki/Macedonian_Slavic_mythology

Umi Shoujo

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Tradition / Region: Japanese Mythology
Alternate Names: Girl of the Sea
Category: Mermaid

The Myth

Umi Shoujo, meaning “Girl of the Sea,” is the central figure of a Japanese tale about a young girl who is transformed into a fish and sent on an extraordinary journey beneath the waves. The story follows Namiko, a fifth-grade schoolgirl who performs well in her studies but behaves selfishly at home, often causing trouble for her father.

During the summer, Namiko stays with her father and their maid, Okane, in a house near Kamakura, where her sick grandmother is being treated in a hospital. One day, while playing alone on Yuigahama Beach, she encounters an old fish seller carrying a beautiful striped sea bream. Admiring its appearance, Namiko declares that she wishes she could become something just as beautiful. She explains that beautiful clothing eventually wears out, whereas a fish’s natural beauty never fades in the same way.

The old woman tells Namiko that she can become a fish if that is truly what she wants. Stubbornly agreeing, the girl is caught by surprise when the stranger begins chanting a strange incantation. Before she can reconsider, Namiko is transformed into a striped sea bream and cast into the sea. The old woman is revealed to be a powerful sorceress.

At first, Namiko is fascinated by her new existence. She explores the underwater world, discovering unfamiliar scenery and enjoying the freedom of swimming through the sea. Yet the excitement soon gives way to hardship. As the waves grow rougher, she becomes exhausted and hungry. To survive, she must eat small fish that she once regarded as companions. Unable to cry despite her sadness, she begins to long for her family and regret her selfish wish.

Meanwhile, Namiko’s father and Okane search desperately for the missing girl. When they discover her clothes abandoned on the beach, they fear that she has drowned. The old sorceress appears and assures them that Namiko is still alive. She explains how the father can find his daughter and restore her to human form.

The following morning, Namiko’s father takes a boat out from Yuigahama. The sorceress points out a striped sea bream struggling in the water and reveals that it is his daughter. Her father gathers the fish into his hands and begs the sorceress to return Namiko to her original form. Through another magical incantation, the fish gradually grows larger and transforms back into a human girl. Father and daughter embrace joyfully, relieved to be reunited.

The sorceress has disappeared, but her voice soon speaks to Namiko from afar. She explains that she has tormented people with magic in the past, yet helping Namiko reform has allowed her to be forgiven for her wrongdoing and ascend to heaven. Before departing, she warns that a tornado will arise offshore that afternoon and asks Namiko to cast five-coloured thread into the sea.

Namiko keeps her promise. As the tornado rises over the water, the old woman transforms into a dragon and ascends to heaven. Having learned from her experience, Namiko returns home determined to treat her parents with kindness and respect. She becomes more dutiful and considerate, and her grandmother eventually recovers from her illness. The family lives happily thereafter.

The tale presents Namiko’s transformation as a lesson in humility and filial devotion. Her wish to possess beauty without understanding its consequences leads her into a world of hunger, exhaustion and loneliness. Only after experiencing these hardships does she appreciate her family and recognise the importance of treating them well. The story also links the sorceress’s redemption and transformation into a dragon with the offering of five-coloured thread, an element associated with traditions surrounding the Dragon Boat Festival and the appeasement of water deities.

Sources

Japanese folklore blog contributors. (n.d.). Namiko. In TYZ Yokai Blog, from https://tyz-yokai.blog.jp/archives/1077741623.html

Merrow

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Tradition / Region: Irish Mythology
Alternate Names: Murdúchann, Muirgheilt, Maighdean mhara
Category: Mermaid

The Myth

Along the rocky coasts of Ireland, where grey waves strike the cliffs and sea-mist hangs in the air, the merrows dwell beneath the waters.

They are sea-people—half human, half fish. From the waist upward, the merrow-maiden appears as a beautiful woman, with pale skin and long green hair that she combs as she sits upon lonely rocks. From the waist downward, she bears the scaled tail of a fish, shimmering with a greenish sheen. Between her fingers lies a delicate webbing, fine as the skin within an eggshell.

But a merrow cannot freely pass between sea and land without her magical cap—the cohuleen druith, a little enchanted hood. With it, she may dive to the deepest waters or rise to the shore. Without it, she is bound to whatever realm she stands upon.

Many tales tell of fishermen who glimpsed a merrow combing her hair at dusk. Some men hid her magic cap and so prevented her return to the sea. Bereft of it, she became their wife. She bore children, tended the hearth, and lived gently among the people. Her nature was said to be affectionate and kind, capable of loving a mortal man.

Yet no matter how long she remained, the sea called to her.

If ever she found her hidden cap, her longing for the deep would overcome all earthly bonds. She would take it, kiss her children, and vanish into the waves, never to return. The sea was her first home, and it would not release her forever.

The merrow-men were another matter. Unlike the maidens, they were said to be grotesque—green-haired, red-nosed, sharp-toothed creatures with pig-like eyes and scaly limbs. Some were known to dwell in houses beneath the sea, where drowned sailors’ souls were kept like treasures in cages. They loved strong drink and strange company, and though fearsome in appearance, they too belonged to the same hidden kingdom under the waves.

The music of the merrows sometimes rises from the ocean depths. It drifts across the surface like a distant song—sweet, haunting, and perilous. Those who follow it may never return.

In older tales, the murdúchann appeared as sea-singers, akin to sirens, whose melodies enchanted sailors. In still other legends, sea-wanderers such as Lí Ban were transformed into fish-tailed beings, destined to roam the waters between worlds.

Thus the merrow stands at the meeting of land and sea—beautiful yet sorrowful, loving yet unbound, forever torn between hearth-fire and tide.

Sources

Wikipedia contributors. (n.d.). Merrow. In Wikipedia, The Free Encyclopedia. Retrieved February 14, 2026, from https://en.wikipedia.org/wiki/Merrow

Jinja hime

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Tradition / Region: Japanese Mythology
Alternate Names: Hime uo (Princess Fish)
Category: Mermaid

The Myth

In the year 1819, on a lonely shore in Hizen Province, an unusual creature was seen upon the sand.

It was long and serpentine, nearly six meters in length. Two horns rose from its head. A dorsal fin ran along its back, and flippers lay against its sides. Its tail stretched behind it like that of a great sea serpent. Yet its face was not that of a fish. It was the face of a woman.

The creature spoke.

“I am a messenger from Ryūgū,” she said, naming the palace of the Dragon King beneath the sea. “My name is Jinja hime.”

She declared that for seven years the land would enjoy abundant harvests. Rice would grow thick and heavy; the people would prosper. But after those seven years, a great sickness would spread across the country—an epidemic that would bring suffering and death.

Yet she offered hope.

“Those who look upon my image,” she said, “will avoid hardship and be granted long life.”

Having delivered her prophecy, the shrine princess slipped back into the sea and vanished beneath the waves.

Her likeness was drawn and shown to the people, so that they might gaze upon it and be protected. The image spread from hand to hand. Fishermen, farmers, and townsfolk spoke of the sea princess who foretold both blessing and plague.

From that time on, stories began to circulate across Japan of other strange beings who emerged from the sea or the mountains to warn of disaster and promise protection through their image.

But it was Jinja hime—the shrine princess of the deep—who first rose from the waters, spoke of fate, and returned to the palace of the Dragon King below.

Sources

yokai.com contributors. (n.d.). Jinjahime. In yokai.com, from https://yokai.com/jinjahime/

tyz-yokai.blog.jp contributors. (n.d.). Jinjahime. In tyz-yokai.blog.jp, from https://tyz-yokai.blog.jp/archives/1077741611.html

Akugyo

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Tradition / Region: Japanese mythology
Alternate Names: Daigyo; Raichōgyo
Category: Fish, Mermaid, Yokai

The Myth

In the seas near Kibi Province, sailors spoke in fear of the Akugyo, the Evil Fish. Vast beyond measure, it rose from the depths to overturn ships as easily as toys, devouring the sailors who fell screaming into the water.

Some Akugyo breathed fire from their mouths, scorching ships before dragging them under. Others resembled enormous ningyo, their bodies covered in gold and silver scales that gleamed beneath the waves. There were also Akugyo shaped like colossal mermaids, bearing two white horns like those of an oni sprouting from their heads. Fishermen dreaded these monsters, for a boat could become trapped between the creature’s massive fins, leaving the crew helpless as the Akugyo fed.

In the sixth month of 1805, an Akugyo appeared off the coast of Echigo Province. Its body stretched more than eleven meters in length, and its horns were longer than a man’s arm. The terror it caused was so great that the Lord of Kaga dispatched a vast force—fifteen hundred men and four hundred fifty cannons—to hunt it down. After a great battle at sea, the monster was finally slain.

Another tale tells of Izutsuya Kanroku, a famed taiko drummer from Kaga. While crossing the Sea of Japan, his boat suddenly came to a halt. Beneath it lay the back of an Akugyo, and the vessel had become lodged upon the monster’s body. Believing death inevitable, Kanroku took up his drum and played with all the strength he had left. His drumming thundered across the sea and sky, echoing like a storm.

Moved—or perhaps startled—by the sound, the Akugyo shifted. The boat slipped free, and Kanroku escaped unharmed.

Thus the Akugyo remains a creature of terror and wonder: a destroyer of ships, yet sometimes driven away by courage, sound, and human resolve.

Sources

Wikipedia contributors. (n.d.). Akugyō. In Wikipedia, The Free Encyclopedia, from https://en.wikipedia.org/wiki/Akugyo

Renyu

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Tradition / Region: Chinese mythology
Alternative names: –
Category: Mermaid

The Myth

In ancient times, strange beings known as renyu, or human-fish, were said to live in rivers, seas, and distant waters across the world. These creatures were neither fully human nor fully fish, but something in between. They appeared in many regions, especially in remote mountains and waterways where ordinary people rarely traveled.

Some renyu were described as fish with human features, while others had four legs and moved like animals on land. Their voices were said to sound like crying infants, a sound that echoed eerily across rivers and valleys. Though strange and unsettling, renyu were not always hostile. In certain places, eating the flesh of a renyu was believed to cure illnesses of the mind, restoring clarity and reason to those afflicted.

One well-known renyu lived in the Bursting River near Dragon-Marquis Mountain. This creature resembled a large fish, yet possessed limbs and a human-like voice. It lingered in deep waters, surfacing only rarely. Those who heard its cry often mistook it for a child in distress.

Renyu were also said to produce a mysterious oil. This substance burned with an unusually steady flame, and lamps fueled by it were believed to last for an exceptionally long time. Because of this, renyu oil was treasured and used in sacred and imperial places.

Stories also tell of female renyu who appeared as beautiful women living on remote islands or cliffs by the sea. These beings could take human form and live among people. In one tale, a man married such a woman, lived peacefully with her, and fathered children. She protected him, taught him survival skills, and shielded him from danger. But when the man was taken away from the island against his will, the renyu revealed her true nature in grief and fury, casting their children into the sea and vanishing forever.

In another story, a traveler was captured by two mysterious women on an island. They fed him daily and kept him alive, yet he felt suspended between life and death. When he learned too much about their hidden powers, they fled into the sky, abandoning him. Though he escaped, he weakened and died soon after, unable to return fully to the human world.

Renyu were also known by other names, such as child-fish, reflecting both their voices and their unsettling resemblance to human infants. Some lived in rivers, others in the sea, and each variety possessed different forms and powers. All were regarded as beings that blurred the boundary between human and animal, land and water, life and death.

In legend, the renyu are reminders of a world where the natural and supernatural were deeply intertwined—where rivers spoke, fish cried like children, and the sea concealed beings who could heal, deceive, or destroy.

Sources

Wikipedia contributors. (n.d.). Merfolk. In Wikipedia, The Free Encyclopedia, from https://en.wikipedia.org/wiki/Merfolk