While covering a test of guided torpedoes, two reporters believe they see what appears to be a strange-looking swimming creature. They investigate the matter further and discover that there is a race of fish-men living under the sea. The fish-men capture the pair and keep them prisoner in their underwater city.

• DirectorHajime Sato
• Release1 July 1966
• Genre
  Horror / Science Fiction
• Duration1h 24m
• Budget?
• Revenue?
• Rate
  

  5.3
  17 reviews
• Productions

  Ram Films Inc., K. Fujita Associates Inc., Toei Company