Up from the Depths (1979)

A savvy and free-spirited surfer is abducted by a shark-obsessed serial killer. Held captive on his boat, she must figure out how to escape before he carries out a ritualistic feeding to the sharks below.

Divers searching for sunken treasure witness the murder of drug dealers by modern-day pirates, but a killer great white is determined not to let any of them escape its waters.

When the seaside community of Amity finds itself under attack by a dangerous great white shark, the town's chief of police, a young marine biologist, and a grizzled shark hunter embark on a desperate quest to kill the beast before it strikes again.

Researchers on the undersea lab Aquatica have genetically altered the brains of captive sharks to develop a cure for Alzheimer's disease. But there's an unexpected side effect: the sharks got smarter, faster, and more dangerous. After a big storm damages their remote research facility, they must fight for their lives.

When flesh-eating piranhas are accidentally released into a summer resort's rivers, the guests become their next meal.

The residents of a suburban high-rise apartment building are infected by parasites that turn them into mindless nymphomaniac fiends.

Characters from different backgrounds are thrown together when the plane they're travelling on crashes into the Pacific Ocean. A nightmare fight for survival ensues with the air supply running out and dangers creeping in from all sides.

Jenn has washed ashore a small tropical island and it doesn’t take her long to realize she’s completely alone. She must spend her days not only surviving the elements, but must also fend off the malevolent force that comes out each night.

When six friends fly off on a weekend getaway and are suddenly plagued by engine trouble, they're forced to land on a remote island. Looking for shelter, they're grateful to encounter Ma and Pa and their children - an eccentric family living in the island's backwoods. But what begins as simple hospitality turns into a terrifying race for survival as the friends start disappearing one by one ... and turning up dead.

When a group of hunters genetically modify Graboid eggs, they face an all-out war against the larger, terrifyingly intelligent creatures, and swiftly multiplying Shriekers!