Shark Night 3D (2011)

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.

A squad of National Guards on an isolated weekend exercise in the Louisiana swamp must fight for their lives when they anger local Cajuns by stealing their canoes. Without live ammunition and in a strange country, their experience begins to mirror the Vietnam experience.

A horde of giant hungry alligators is unleashed on a group of in-transit prisoners and their guards after a massive hurricane floods Louisiana.

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.

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.

Two sisters on Mexican vacation are trapped in a shark observation cage at the bottom of the ocean, with oxygen running low and great whites circling nearby, they have less than an hour of air left to figure out how to get to the surface.

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

After an accident on a winding road, four teens make the fatal mistake of dumping their victim's body into the sea. Exactly one year later, the deadly secret resurfaces as they're stalked by a hook-handed figure.

College student Lucy and her friends spend their vacation at her family's home in Hawaii, which includes her pet chimpanzee, Ben. However, when Ben contracts rabies after being bitten by a rabid animal, the group must fight for their lives in order to avoid the now-violent chimp.

When a motley crew of strangers find themselves trapped in an isolated tavern, they must band together in a battle for survival against a family of flesh-hungry creatures.