About the Film
An artist dealing with the grief of his wife leaving him finds solace in painting the squalor of the sewer. He discovers a trapped mermaid, whom he brings home to heal. Her condition worsens, and she asks the artist to paint her before she dies.
✨ The Watchlist Wizard Verdict
The Vibe: Guinea Pig: Mermaid in the Manhole is a chilling, atmospheric, and full of suspense horror and romance movie from 1988. Directed by Hideshi Hino, and starring Shigeru Saiki, Mari Somei, Go Riju An artist dealing with the grief of his wife leaving him finds solace in painting the squalor of the sewer.
Fan Reception: While holding a polarized score of 5.4/10, Guinea Pig: Mermaid in the Manhole retains a dedicated audience who appreciate its unique premise and stylistic choices.
Time Investment: At a brisk 58 minutes, it's a tight, efficient movie that respects your time while delivering maximum impact.
Who Should Watch It: Highly recommended for thrill-seekers and fans of the macabre. If you enjoy movies that blends horror with romance elements, Guinea Pig: Mermaid in the Manhole deserves a spot on your watchlist.
Production Specs
Top Billed Cast
Actors Also In

Shigeru Saiki
Notable Career Works
2000

2004
![! [ai-ou]](https://image.tmdb.org/t/p/w185/nb8ValoEsJdooZDOXfOt9uH8jIr.jpg)
1991

2007

Mari Somei
Notable Career Works
1984

1986

1985

1988
© 2026 WATCHLIST WIZARD • DATA SYNCED VIA TMDB & WATCHMODE




