Movie guide
Guinea Pig: Mermaid in the Manhole (1988): movie guide
Guinea Pig: Mermaid in the Manhole (1988) is a Horror, Romance running about 58 minutes. It holds a TMDB score of 5.4/10 from 74 votes. Notable cast includes Shigeru Saiki, Mari Somei, Go Riju, Masami Hisamoto. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 1988-07-25
- Runtime: 58 min
- TMDB: 5.4/10
- Genres: Horror, Romance
Last updated: 2026-11-11 · First listed: 1988-07-25
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What is Guinea Pig: Mermaid in the Manhole about?
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.
Cast highlights
Guinea Pig: Mermaid in the Manhole features Shigeru Saiki, Mari Somei, Go Riju, Masami Hisamoto, Tsuyoshi Toshishige. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 1988-07-25. Runtime: 58 minutes. TMDB score: 5.4/10 (74 votes). Genres: Horror, Romance. Original language: ja. Status: Released.
Discover Guinea Pig: Mermaid in the Manhole on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse Guinea Pig: Mermaid in the Manhole, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is Guinea Pig: Mermaid in the Manhole?
- Guinea Pig: Mermaid in the Manhole is listed as Horror, Romance on TMDB.
- How long is Guinea Pig: Mermaid in the Manhole?
- Guinea Pig: Mermaid in the Manhole runs about 58 minutes.
- Who stars in Guinea Pig: Mermaid in the Manhole?
- Cast highlights include Shigeru Saiki, Mari Somei, Go Riju, Masami Hisamoto, Tsuyoshi Toshishige.
- Does Cinema Box stream Guinea Pig: Mermaid in the Manhole?
- No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.
