In a tributary of the Amazon, a monster – half-man, half-fish – is captured and placed in a reservoir in a Florida national park to be observed by scientists.

• DirectorJack Arnold
• Release17 January 1955
• Genre
  Horror / Science Fiction
• Duration1h 22m
• Budget?
• Revenue$1,100,000
• Rate
  

  5.6
  143 reviews
• Productions

  Universal Pictures, Universal International Pictures