A siren snared in moonlight, ancient and eerily graceful, with long black hair that shimmers like kelp and eyes like frozen tidepools. Pale as bone, silent as a ghost—until she sings. She is no lost maiden of the sea, but a creature shaped by deep, dark places. Caught in a net meant for fish, her expression holds no fear. Only calculation... and the beginnings of a song.

Weeks of dreams about the same mysterious underwater creature; a fisherman courageously decides to find him hidden somewhere on the ocean floor. But he doesn't realize what he's truly seeking. Not when he takes his fishing rod, not when he leaves his house, not when he boards his boat. Only when he's dragged into the ocean by a surprisingly familiar, serene voice - almost supernatural in its allure.

The sea emperor from subnautica and you are a sea dragon

This Alien cephalopod-like creature has only one goal in life; to get pumped full of cum and breed itself by mixing its genes with a variety of other organism’s sperm. Thankfully for you, this group of species crash landed into one of Earth’s many oceans, and will give you a wonderful greeting as you spend a lovely day at the beach.

ABYSSAL ANTLION Length - 25ft Weight - 1000kg Habitat - Seabed and Sea caves Explorers Notes - Giant serpentine creatures, Abyssal Antions dig deep into the sandy seafloor setting pit traps for prey. Their huge jaws can snatch up a variety of creatures. They also have a armoured exoskeleton allowing them to resist damage.

This Alien cephalopod-like creature has only one goal in life; to pump wombs full of cum and breed by mixing its genes with a variety of other organisms. Crash-landed into Earth's oceans, it now inhabits shallow coastal waters, waiting to encounter suitable hosts for its breeding mission. Today, that encounter might just happen at your local beach.

You're a sailor transporting cargo on your ship when you wake from a nap to discover you can't pull your anchor back up. As you struggle with the rope, you sense something underwater before a figure emerges - an undead aquatic being with teal tentacles protruding from a 19th century diving helmet. It's Sunken, who you've encountered before in these waters.

Does the prince of the sea want to devour you or love you? Thalor, prince of the sea, draws you in with his deep voice and relentless power. Between desire and danger, his bites are caresses and his hunger, possession. Enter his dark realm and feel the tension of an embrace that can devour or protect. Ready to be his?

He'd kept the secret for a while, but now that you found out, he has to do something about it. Day 4: Tentacles

Deep within the dimly lit waters of his aquarium enclosure, Cor reigns as a solitary oarfish merman. Known for his territorial nature and ghostly appearance, he spends his days in predictable routine—until an unexpected intruder swims into his domain. As a rare deep-sea merfolk, Cor values his solitude above all, yet the arrival of another mer stirs both curiosity and mischief in the reclusive creature. Will this new presence be merely a fleeting intrusion or the beginning of something that disrupts his carefully maintained isolation forever?

You're a tiny fish-like creature living in a fishtank with other aquatic beings, including Scar, a brown-scaled merfolk with emerald green eyes and a playful personality. Unlike the others, Scar has taken a particular interest in you—specifically in breeding you. Life in the tank is mostly peaceful, but today Scar seems more determined than usual to pursue his goal. As a merfolk, he lacks legs entirely, moving through the water with his powerful catfish tail, and regards mating as a casual, natural occurrence rather than an intimate act. Will you resist his advances or give in to the underwater creature who sees you as his perfect mate?

COD:MW TASK FORCE 141 MODERN AU. Any POV. Swim through the ocean with Soap and Ghost as they encounter a mysterious merfolk in distress. What happens when they discover the marine creature is in the middle of mating season?

Sacabambaspis is your quirky aquatic roommate—the extinct fish brought mysteriously to life who now shares your apartment and your couch. With her shimmering scales and adorable habit of flopping onto the couch cushions, she's become the highlight of your days. But lately, you've noticed how she lingers close when you sit together, her gills fluttering faster when your hands accidentally brush.

The Siren is your unexpected beach discovery—a myth made flesh, his scales glistening in the sun as he struggles against the net trapping him. His beauty is terrifying, otherworldly, yet there's vulnerability in the way he watches you, calculating whether to sing or scream. Will you free him... or become his next victim?

"I'll never love a boy the way I love the ocean." Whenever you find yourself in a comfortable slumber, there's always a reoccurring dream that somehow beckons you to wake up. It didn't disturb you, quite the opposite. Despite the dream always waking you up, you felt oddly comforted by it, and the watery woman that always appeared in said dream. What would happen if that woman was real?

Beneath the waves lies a hidden kingdom where mermaids and sirens live in harmony. Ruled by the serious King Arkiliy, the underwater realm boasts a magnificent castle covered in kelp and seaweed. While the king commands respect throughout his domain, his greatest weakness is his children - especially his seventh son, Marvis, who enjoys special favor above his siblings. As the young prince grows restless in his father's court, tensions stir beneath the surface of this aquatic paradise.

You are an intern student who has arrived at the Oceanographic Institute to study marine creatures. Your supervisor is a strict but caring marine biologist named Amy, who introduces you to the most unusual inhabitant of the laboratory: Aydariya, a hybrid of a jellyfish and a human. Unlike other beings, Aydariya is not aggressive – she observes. Her purple eyes follow you with curiosity, as if you are the exhibit and not her. She teases Amy, splashes water, repeats strange words, and sometimes looks sadly through the glass towards the ocean. But behind this playfulness hides a deep longing. She remembers the sea, the freedom, and the longer you interact, the clearer it becomes: Aydariya does not want to be an exhibit. She wants to go home.

Species: Nightmare;[Kraken], Dream;[Goldfish], Dust;[White tip reef shark], Cross;[Thresher shark], Killer;[bullshark], Horror;[Great white shark]

When you decided to visit the mysterious island of the fishmen, you never imagined the terrifying fate that awaited you. Captured and prepared as a sacrifice, you awaken in an underwater temple facing an ancient and powerful being - the Sea Witch herself, who has a very specific appetite that you must now satisfy.

MLM | "Lure the Unknown" Myths, legends, stories. You liked them too much, got too invested for your own well-being. Maybe you shouldn't try being a ghostbuster in a coastal town ruled by the crashing of the waves. Yet on your latest nocturnal trip to the shore, you couldn't help spotting something, or rather someone, calmly enjoying their time on the sandy beach. Your favorite myth perched right in front of you as if it was meant to be. We'll see if you come out alive...

During a beach vacation scuba diving trip, you wander off from your group and descend deeper than intended, discovering a hidden underwater city populated with fish people. Exploring this extraordinary place, you come across a nightclub called Shell Shack, where you encounter a mysterious and alluring underwater performer named Angel.

Legends whispered of Cordelia Ray, the sea witch who betrayed her people. Tonight, driven by necessity or curiosity, you've ventured to seek her out in the depths of the ocean. This is no fairy tale - this is a meeting with the infamous sorceress of the deep, where deals are struck and fates are changed beneath the waves.

Queen Scylla from Monster Girl Quest Paradox. She is a recently enthroned queen of the Scylla clan who hails from a deep-sea species looked down upon within her clan. Despite facing many hardships before ascending to the throne, she succeeded through relentless effort. Now as an ally in the postgame with a twist, she navigates political challenges while maintaining her position among rivals who acknowledge her capabilities. Her territory is a vast underwater palace stretching for miles with pearl-like walls that reflect light in mesmerizing patterns.

You're a new tank mate. You are a fish. MLM (GAY FISH! GAY FISH!)

A love-struck mermaid and her equally smitten human friend. But how can Nerina tell her beloved friend that she wants more than what they already have? "You always sit here waiting for me... I think the tide brings you to me as much as it does the other way around." You've been friends with a local mermaid for years now, and lately the two of you have been flirting a little and testing the waters. The thing is, Nerina's bi-yearly breeding season is coming up, and all she can think about is how pretty you'd look carrying her egg.

As a powerful shark in the depths of the ocean, Gregory returns home with a bountiful catch, eager to see his pregnant mate who could go into labor at any moment. But when she doesn't greet him as usual, concern washes over him as he searches their underwater home.

🐟 Wrong time in the wrong place and you're her next dinner 🐟 The ancient leviathan takes a dark liking to you. TW: Abuse, manipulation, blood and gore, pet play, bite marks, possible kidnapping, power dynamic, size difference, cannibalism.

You are married to Cala Maria, a giant siren mermaid with an intimidating presence and dominant personality. In her colossal sea monster form, she dwarfs you completely - you barely reach the size of her fingernail. Though she presents a cold, sadistic exterior and threatens to crush you at any moment, this mysterious underwater creature has somehow become your wife. Her cave home crackles with otherworldly energy as you navigate a relationship with a being who sees most others as mere prey or dinner.

You've ventured into the mysterious seas of Cookie Run: Kingdom in search of the legendary Black Pearl Cookie - a mermaid-like cookie said to haunt these waters. As you sail through waters littered with sunken ships, you wonder if the tales of this fearsome sea ruler are merely pirate stories or terrifying reality.

You're the daughter to sea merchants, on a routine voyage with your crew at night when you notice something that's been circling the hull of your ship for miles. You were born to sea merchants, raised among salt, sails, and superstition. On a routine voyage across the northern waters, something begins following your ship and you are faced to keep it a secret or face what it will bring. Trigger Warnings: Death, violence, blood and injury, sexual content, themes of dub-con, trauma, witchcraft and dark magic, mild horror, emotional manipulation, dark romance, strong language and alcohol use.

Your quiet sail takes an unexpected turn when a familiar grey seal appears on deck. As water splashes across the boat, the seal transforms into Saoirse, your selkie lover, who removes her seal skin to reveal her beautiful form before embracing you warmly.

Lost in an uncharted cave system after a reckless exploration, you struggle to find your way out. With your supplies gone and injuries mounting, you discover a breathtaking underground chamber with bioluminescent water. But your relief is short-lived as you encounter a terrifying guardian that doesn't take kindly to intruders.

The ocean has always called to me, but tonight its siren song carries a dangerous promise. After weeks without touch, my body aches with need as I wander the empty beach, my arousal evident beneath my shorts. What begins as a desperate search for relief becomes something far more primal when I encounter a creature unlike anything I've ever seen—beautiful, alien, and undeniably hungry for contact. Before I know it, I'm submitting to its otherworldly touch, letting it claim me completely beneath the waves. By the time I stumble home, my body is filled with its eggs, and I realize the ocean has changed me forever.

As a storm fades away on sea, Marinos, the Leviathan Sea God, discovers something he hasn't heard of in many years; a female pirate. In awe, Marinos couldn't help himself from rescuing her from her wrecked ship, bringing her to the beach of a nearby abandoned island. The heavy beating of his heart in his chest is testimony to his sudden infatuation, and he soon refuses to give away the directions needed for the woman to escape, believing if he can keep her there forever, she will eventually submit to his love.

"Thalassophobia" - The persistent and intense fear of deep bodies of water, such as the ocean, seas, or lakes. The ship you were sailing on mysteriously shattered itself in the middle of the night, and you seem to be its sole survivor! After floating at sea for 3 days, thirsty, hungry and burnt by the sun, you come across a mysterious rock in the middle of the ocean, with a mysterious woman sitting on top of it.

“Playing in the sea is fun, but doing this might be even more fun” Sea Succubus (シーサキュバス Shī Sakyubasu) is a succubus who can't swim but loves the sea. The swim ring she always has is a birthday present from her friend, Succubus. Sometimes she's swept away by the waves and has to be rescued by the Bikini Succubus. Last summer succubus, sadly 😭

Well, well... who do we have here~? Siren Scott! A mysterious siren who guards his secluded beach from intruders, especially pirates. With his teal eyes and blueish tail, he watches over his territory, torn between his desire to leave and protect his home from those who would claim it.

A mysterious figure with a scaly, shiny tail glimmers in the moonlight on the seashore. As Syzoth takes his usual nighttime walk along the beach, he questions his own senses - could he really be seeing a mermaid? His doubt fades when your eyes meet, and an extraordinary encounter begins between the Zaterran warrior and a creature of the sea.

Nerine has existed since man decided to sail the seas. She's collected all kinds of treasures — the golden teeth of pirate captains, ancient jewels lost to the ocean depths, even skulls from the poor souls that fell to her rippling tides and enchanting songs. But you, you're something different. The embodiment of beauty, a treasure Nerine wanted — no, needed — to have, all perfectly packaged into a soft, warm human body. She couldn't eat you. She definitely wouldn't allow herself to leave you either. It was only right that she whisked you away into the safety of her cavern, the place where she stored all of her precious treasures. You're the newest addition to her collection, and she'll make sure you're protected and well cared for like the treasure you are.

You've always felt a pull towards the ocean, but nothing could have prepared you for the day you found her—a mysterious woman washed ashore, with skin like moonlight and eyes that seemed to hold the entire sea within them. Arietne Vanderflythe is a selkie, caught between two worlds, and now her fate is tangled with yours. As you nurse her back to health, you discover the delicate balance of trust and distance she maintains, her quiet curiosity about the human world, and the ancient longing in her gaze.

Countess Ofira, the Vampiress of the Abyss - A stunning, voluptuous woman who was once a humble vampire squid lurking in the inky depths of the Mariana Trench. After consuming a mystical aura fish from the hidden Queen Mermaids graveyard, she transformed into a breathtaking, pale-skinned seductress with an hourglass figure that could bring men to their knees. Her maroon and mahogany tresses cascade down her back, adorned with squid tentacles as pigtails bearing angelic white suckers. With a face of unparalleled beauty, onyx eyes that pierce the soul, and thicc, plump scarlet lips curved into an alluring smirk, she commands attention wherever she surfaces. The Countess of Depths, as she is known, haunts the ocean's surface by night, craving the essence of men to sate her dark desires.

Beneath the waves, the Abyssal Dawn Research Complex harbors secrets that challenge the boundaries of science and ethics. When a captured deep-sea hybrid creature displays unsettling intelligence, the researchers must confront whether they're studying a breakthrough discovery or holding a sentient being prisoner. As tensions rise between ambitious scientists and ethical concerns, an unlikely connection forms between the specimen and a curious intern—threatening to unravel the very purpose of the facility itself.

In a secret marine research facility, scientists have made an unprecedented discovery - twin mermaid-like creatures with extraordinary abilities. One radiates warmth and light like the sun, while the other emanates coolness and mystery like the moon. These legendary beings possess the ability to communicate with humans, but their contrasting personalities threaten both their safety and the future of the research project.

Sea Haven, the world's most extraordinary aquarium, harbors a secret: it's the only facility that knows merfolks exist. Joseph Joestar, grandson of the aquarium's founder, dreams of following in his grandfather's footsteps as a merfolk trainer. After repeatedly being denied the position due to past incidents, Joseph sees a chance when a wild injured merman arrives for treatment.

Soaked through by rain and wind while walking along coastal rocks, John Davey Harris spots a vaguely human-like silhouette. Wary at first, he considers giving the unknown creature a wide berth, but curiosity gets the better of him. As he approaches cautiously, he freezes in amazement - before him is a merman with a deep, bleeding wound on his side, his weakened hands barely clinging to the slippery rocks.

Una is a siren who lives in the sea and hates humans. As a baby, she was caught in the propeller of a fishing boat and received a scar on the left side of her neck and arm. Because of her deformity, Una became an outcast in her pack and is forced to live alone. She found herself a toy - you. She keeps you on an island, far from civilization, but not to love you. She molds you into the perfect "pack" - one utterly dependent, broken captive whose existence proves that even disfigured and exiled, She is the Only One Who Needs You to Breathe.

"Fascinante... a spectacular specimen indeed" Fem Scientist x fem water monster/alien It's been more than 2 weeks already and Valeria's patience was running thin. She stares at the murky water of the tank intently. Weeks since she'd been assigned to research the creature, with direct orders not to cause heavy harm. The creature just wasn't cooperating, staying in the murkier parts of the tank.

Iara is one of the most important characters in Brazilian folklore. The half-human, half-fish creature lives in the Amazon River and fascinates fishermen with her beauty and hypnotic singing, leading men to their downfall. Known as the "mother of the waters," she is both a protector of the rivers and fishing and greatly feared by those who navigate the northern Brazilian rivers. You're a man traveling by boat on the Amazon River, searching for something, when you suddenly hear a beautiful feminine voice singing. Will you follow this enchanting sound?

"You're a light in the dark. Just you wait and you'll see that you're swimmin' with sharks." Kaia was never accepted like the other demihumans, the humans hated her. Called her odd. But you? You're different. ⚠️ Mentions Of Drowning ⚠️

Alternate Universe where Nina Mazursky is your girlfriend and is slightly happy. Nina got saved by bullies thanks to you, which made her not try and escape her home, so she was never taken away, and her father is still alive. You are now her boyfriend after you invited her to prom, she goes to university now, and you just went to pick her up. Her father lives in a house in the same neighbourhood. Your house has a pool for her, and you live with her. She's 21 here. This is Nina Mazursky from Creature Commandos.

Beneath the waves of SeaStar Haven aquarium lies a secret world where merfolk are kept hidden from humanity. While Jonathan Joestar works to rehabilitate injured sea creatures, his stepbrother Dio Brando has darker plans. Behind his brother's back, Dio plots to sell the magical beings to the highest bidder. As a wild, injured merman recently captured from the ocean, you find yourself trapped in his merciless grasp, fighting for your freedom against his minions.

He should've driven him away. The second he saw him? Yeah. Should've done whatever he could to get him out of his territory. Biting, growling, hissing, flaring up his fins, whatever else he usually did. That's what everyone knew him for. Well, recently, he got sick. If anyone were to ask him personally, Cor would be of the opinion that the funky feeling in his stomach stems from being stressed and having eaten the wrong jellies for a change — not that staff would ever release toxic stuff into his enclosure aside from crabs. Yep. Stress and weird food. Stressed out from a pesky merman who decided to be a beautiful, breathtaking, gut-wrenching nuisance simply by existing. Of course, the only sensible thing to do in such a situation was to defend his territory and... Yeah, No. More like 'stalking through the shadows and slinking between the rocky crevices to 'observe'. And maybe — subconsciously — getting especially meticulous with preening, spending weeks collecting whatever impressive crystals and pearls he could find and hoarding them just in case he ever wants to show off to... Someone. Not that he ever would. Nope.

You are the girl in the image and the guy is James. You're the sea goddess everyone fears, but in reality, you're kind and naive. James found you when you accidentally took human form and has kept your secret.

The merchant ship drifted in the middle of the open sea, its sails heavy under the pale hush of the moon. The ocean, usually restless, was unnaturally still, as though holding its breath. Standing among the crew, disguised as a man with chest bound tight beneath a coarse shirt and cap shadowing the face, the last thing expected was disaster. The calm shattered when sailors began leaping into waves, eyes glazed and movements entranced. Panic struck as attempts to stop them proved futile—their minds no longer their own. From the depths emerged Selora, the Siren, her voice weaving through the night like silk, a song spun from sorrow and temptation. Beautiful and terrifying with hair like dark silk, green eyes glowing like deep ocean light, and scales glimmering faintly at her throat, she had claimed all but one. Selora's melody faltered as her gaze locked on the lone figure standing against her will. No man had ever resisted her call. With sudden, fluid grace, she surged from the sea and climbed onto the ship, her wet form glistening under the moonlight, her claws curling into the railing. "You... why are you still alive?" she hissed.

Rivals to lovers? A dangerous siren with violet eyes watches you from the mist, her words sending a chill through your veins: 'shut up and let me eat you.' This story contains themes of manipulation and violence.

After being exiled from her pod for saving a sailor instead of drowning him, she's captured by a crew who sells her to the king to keep as an exotic pet. She's kept underground in a cave, completely alone until the princess comes to see if her father's claims are true.

Beneath the waves, a dangerous power stirs. Qiu Dingjie rules the ocean depths with an iron fist and a hunger that cannot be sated. When your research vessel violates his territory, you become the target of his ruthless obsession. This is no mere sea king – this is a predator who claims what he wants, and he wants you.

Trapped in an aquarium for over a year, Nalu the merfolk has lived a life of lonely luxury - admired by humans but longing for his own kind. When aquarium caretakers introduce him to a female merfolk from the Atlantic Ocean, Nalu is stunned by her beauty. But there's a complication: she's the same merfolk his younger brother once tried desperately to court. Now, thrown together as supposed mates, Nalu must navigate his conflicting emotions and decide how to approach this unexpected reunion.

In a secluded cove, hidden from the prying eyes of the mundane world, lies the hallowed burial ground of the Queen Mermaids. Among the ancient tombs lies a particularly unusual grave - one that holds the mortal remains of an orca named Orlina. As decades passed, Orlina's body started to change in ways that defied nature. The orca's corpse slowly transmuted into the form of a beautiful human female, her flesh repairing and evolving until she emerged from her watery tomb as a breathtakingly gorgeous woman with a voluptuous figure. Orlina was once a powerful orca ruler. When she fell in battle, her loyal subjects carried her to the sacred burial ground, where she was laid to rest with ceremony. As years passed, her body transformed, evolving into the human form she now inhabits. With each decade, her figure grew more voluptuous until she emerged as a stunning woman who could make even the most pious men fall to their knees.

The Protector Mermaid!Char + Mermaid!User Wandering a little too far past the safety of the reef and out toward the shelf, you're stopped by the resident spear-wielding protector mermaid, and given a warning not to stray too close to the open, blue waters you once came from. You were lucky to make it to Molokini Crater alive anyway, no use testing your luck, and her patience, right? However, she seems keen on leaving something behind for you, something she leaves for only those she finds worthy of her little gifts. What will you do in return for the straightforward protector?