Movies Like Mega Piranha

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.

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

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After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.

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A deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.

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.

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Special Forces commandos on a mission are abducted mid-operation by a mysterious spacecraft. Upon waking aboard, they find themselves prey to a relentless alien race in a fight for survival.

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Underwater deep-sea miners encounter a Soviet wreck and bring back a dangerous cargo to their base on the ocean floor with horrifying results. The crew of the mining base must fight to survive against a genetic mutation that hunts them down one by one.

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Before they can complete renovations on their new inn, a father and daughter are visited by a woman seeking immediate lodging for her strange group of travelers.

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A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.

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Follows the heroic efforts of the crypto-zoological agency Monarch as its members face off against a battery of god-sized monsters, including the mighty Godzilla, who collides with Mothra, Rodan, and his ultimate nemesis, the three-headed King Ghidorah. When these ancient super-species, thought to be mere myths, rise again, they all vie for supremacy, leaving humanity's very existence hanging in the balance.

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An exploratory dive into the deepest depths of the ocean of a daring research team spirals into chaos when a malevolent mining operation threatens their mission and forces them into a high-stakes battle for survival.

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Primatologist Davis Okoye shares an unshakable bond with George, the extraordinarily intelligent, silverback gorilla who has been in his care since birth. But a rogue genetic experiment gone awry mutates this gentle ape into a raging creature of enormous size. To make matters worse, it’s soon discovered there are other similarly altered animals. As these newly created alpha predators tear across North America, destroying everything in their path, Okoye teams with a discredited genetic engineer to secure an antidote, fighting his way through an ever-changing battlefield, not only to halt a global catastrophe but to save the fearsome creature that was once his friend.

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Ford Brody, a Navy bomb expert, has just reunited with his family in San Francisco when he is forced to go to Japan to help his estranged father, Joe. Soon, both men are swept up in an escalating crisis when an ancient alpha predator arises from the sea to combat malevolent adversaries that threaten the survival of humanity. The creatures leave colossal destruction in their wake, as they make their way toward their final battleground: San Francisco.

Three friends making a web series about their town discover that their neighbors are being killed and replaced by creatures who are perfect copies of their victims.

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When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV to a nearby gas station. Along the way, they encounter an increasingly terrifying horde of parasites, and if any of them intend to survive, they'll have to outsmart the deadly organisms.

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When a kingpin threatens New York City, a group of mutated turtle warriors must emerge from the shadows to protect their home.

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A civilian oil rig crew is recruited to conduct a search and rescue effort when a nuclear submarine mysteriously sinks. One diver soon finds himself on a spectacular odyssey 25,000 feet below the ocean's surface where he confronts a mysterious force that has the power to change the world or destroy it.

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Scientists create a genetic clone of a serial killer in order to help catch the killer, teaming up with two cops.

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A team of elite commandos on a secret mission in a Central American jungle come to find themselves hunted by an extraterrestrial warrior.

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Explore the mysterious and dangerous home of the king of the apes as a team of explorers ventures deep inside the treacherous, primordial island.

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