Attack of the Crab Monsters

Attack Of The Crab Monsters is a 1957, American, black-and-white, science fiction film, written by Charles B. Griffith and produced and directed by Roger Corman via Los Altos Productions, on contract for distribution by Allied Artists Pictures Corporation. The plot follows a scientific expedition trapped on a remote island inhabited by atomically mutated giant crabs. It was distributed as the main feature on a programmed double bill with Not of This Earth A group of scientists land on a remote island in the Pacific to search for a previous expedition that disappeared and to continue research about the effects of radiation from the Bikini Atoll nuclear tests on the island's plant and sea life. They learn to their horror that the earlier group of scientists have been eaten by mutated giant crabs that have gained intelligence by absorbing the minds of their victims. Members of the current expedition are systematically attacked and killed by the crabs, which are invulnerable to most... full article at wikipedia