Unrated | | Horror, Sci-Fi
An isolated remote island community is threatened by an attack by tentacled silicates which liquefy and digest bone and tissue.
The monocellular creatures are reminiscent of those in Caltiki, the Immortal Monster (1959), which also features a scene in which one of the characters loses a hand.
Constable John Harris: Aye.
Morton: I just found one of my horses dead. At least, I think it's one of my horses. It's all soft and flabby.
Dr. Stanley shows Dr. West a drawing of what he says is a protein structure, then says, "It's not adenosine triphosphate." Adenosine triphosphate (ATP) is a nucleotide, not a protein.
The UK cinema version was cut by a few seconds by the BBFC to remove a brief shot of blood-spurts after a hand is chopped off with an axe. The early UK and French DVDs retain this version though the German CCI DVD issue has the scene intact. The 2014 UK Odeon DVD release is fully uncut.