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.
Released: May 13, 1955
Runtime: 82 minutes
Genre: Science Fiction, Horror
Stars: John Agar, Lori Nelson, John Bromfield, Nestor Paiva, Grandon Rhodes, Dave Willock
Crew: William Alland (Story), Scotty Welbourne (Director of Photography), Jack Kevan (Creature Design), Martin Berkeley (Screenplay), Jack Arnold (Director), Russell A. Gausman (Set Decoration)