When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.
The routine story is mightily improved by Arnold's sure sense of atmospheric locations and by the often sympathetic portrait of the monster.
– Geoff Andrew,
Time Out,
9 Feb 2006
rotten:
This adventure has no depth.
– A.H. Weiler,
New York Times,
31 Oct 2006
fresh:
Jack Arnold has a flair for this sort of thing, and if there really is anything frightening about a man dressed up in a rubber suit with zippers where the gills ought to be, Arnold comes close to finding it.