Salt water harms a creature at and of the movie

A group of lifeguards attempt to kill an atomic shark that is terrorizing the coast of San Diego.

In the shallow waters of the Red Sea, a happy-go-lucky fish is forced to set out on a journey to save the sea creatures from the soulless monster before it kills all life underwater

An underwater close up of the death of a trout in polluted water. A film for conservationists and all people concerned about the preservation of the natural world and the creatures that inhabit it.

Scientists surgically transform the Creature into an air-breather, but being able to live on land is not enough to make him comfortable with humans. Enraged, he turns his wrath on anyone who comes near as he desperately tries to return to the deep-water world where he truly belongs.

A Marine Biologist is assigned to investigate the mysterious deaths of some marine life in an inland salt water lake that has been attributed to a creature thought to have been the stuff of a legend.

When a researcher is cursed by a mermaid-like creature deep in the Amazon, he comes to realize that returning to fight the creature is his only hope of reversing the monster-like changes happening to his body.

Mysterious things happen at the coast of Graves Point: An empty boat lies at the shore, divers vanish. The sea biologist Dr. Talley thinks he knows the solution of the mystery: In the depth there is a gigantic squid.

While searching for oil in the deadly swamplands of the Florida Everglades, members of a geological expedition meet an insane doctor who is working on an experiment to create a creature that is part man and part alligator.

In the fishing village of Cedar Bay, terror lies within the water. And now it has surfaced in search of something more substantial to devour than marine life: human flesh. A captain and a sea biologist must wage a terrifying battle against the deadly creatures in order to save mankind from total extinction.

While covering a test of guided torpedoes, two reporters believe they see what appears to be a strange-looking swimming creature. They investigate the matter further and discover that there is a race of fish-men living under the sea. The fish-men capture the pair and keep them prisoner in their underwater city.