
Mermaid Down
A mermaid is ripped from the ocean by a fishing crew only to be tortured and to have her tail cut off. A seemingly helpful stranger intervenes, but then locks her away in an institution for mentally disturbed young women, where no one believes she is a mermaid. With no way out, she is forced to count on her survival instincts, and fight for her life at all costs.
Why it matters
A grim, visceral dive into body horror and captivity that reimagines mermaid mythology through a brutal, claustrophobic lens.
- Unflinching practical effects make the severed tail and transformation scenes viscerally disturbing and unforgettable.
- Subverts the whimsical mermaid trope, channeling folk horror’s dread of confinement and disbelief.
- Anchored by a fierce lead performance that sells the character’s pain and feral survival instincts.
- For fans of atmospheric, slow-burn horror that blends creature terror with psychological torment.
Director
Cast
Horror DNA
Gore
71
Slow Burn
33
Psychological
86
Supernatural
0
Creature
36
Disturbing
100
Fun Factor
0
Cerebral
85
Survival
66



