Movies Like Piranha
If you loved Piranha's Horror and Science Fiction storytelling, these films deliver a similar experience — carefully selected for tone, themes, and emotional depth. Each pick includes where to watch it right now.
★ Top Picks
Double Blind
After an experimental drug trial goes awry, the test subjects face a terrifying side effect: if you fall asleep you die. Trapped in an isolated facility, panic ensues as they try to escape and somehow stay awake.
Hollow Man
Cocky researcher Sebastian Caine is working on a project to make living creatures invisible. Determined to achieve the ultimate breakthrough, Caine pushes his team to move to the next phase — using himself as the subject. The test is a success, but when the process can't be reversed and Caine seems doomed to future without flesh, he starts to turn increasingly dangerous.
Primate
Lucy, a college student, along with 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.
Alien Abduction
A vacationing family encounters an alien threat in this pulse-pounding thriller based on the real-life Brown Mountain Lights phenomenon in North Carolina.
Alligator
A baby alligator is flushed down a toilet and survives by eating discarded lab animals that have been injected with growth hormones. The now gigantic animal escapes the city sewers and goes on a rampage, pursued by a cop and a big-game hunter.
Deep Blue Sea
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.
Outbreak
A deadly airborne virus finds its way into the USA and starts killing off people at an epidemic rate. Col. Sam Daniels' job is to stop the virus spreading from a small town, which must be quarantined, and to prevent an over reaction by the White House.
More Movies Like Piranha
Becky
A teenager's weekend at a lake house with her father takes a turn for the worse when a group of convicts wreaks havoc on their lives.
The Meg
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.
Rogue
When a group of tourists stumble into the remote Australian river territory of an enormous crocodile, the deadly creature traps them on a tiny mud island with the tide quickly rising and darkness descending. As the hungry predator closes in, they must fight for survival against all odds.
The Signal
A horror film told in three parts, from three perspectives, in which a mysterious transmission that turns people into killers invades every cell phone, radio, and television.
Die Alone
Lost in a world reclaimed by nature and overrun by mysterious creatures, Ethan, a young man with amnesia navigates the dangerous landscape in search of his lost love Emma. His journey takes an unexpected turn when he encounters Mae, a hardened and eccentric survivor. Together, Ethan and Mae face threats both human and otherwise before a fateful encounter with Kai unravels a secret that lies just beyond Ethan's fractured memory.
The Sacrament
Two journalists set out to document their friend's journey to reunite with his estranged sister. They track her to an undisclosed location where they are welcomed into the remote world of "Eden Parish," a self-sustained rural utopia composed of nearly two hundred members and overseen by a mysterious leader known only as "Father." It quickly becomes evident to the newcomers that this paradise may not be as it seems. Eden Parish harbors a twisted secret. What started as just another documentary shoot soon becomes a fight for survival.
River of Blood
Four kayakers take the wrong river into a jungle inhabited by a tribe of merciless cannibals.
Phase IV
Arizona ants mock the food chain on their way to a desert lab to get two scientists and a woman.
Margaux
As a group of seniors celebrate their final college days at a smart house, the house's highly advanced AI system, Margaux, begins to take on a deadly presence of her own. A carefree weekend of partying turns into a dystopian nightmare as they realize Margaux's plans to eliminate her tenants one way or another. Time begins to run out as the group desperately tries to survive and outsmart the smart home.
Rim of the World
Stranded at a summer camp when aliens attack the planet, four teens with nothing in common embark on a perilous mission to save the world.
Doctor X
A wisecracking New York reporter intrudes on a research scientist's quest to unmask The Moon Killer.
Just Before Dawn
In the Oregon mountains, a pair of hunters encounter a machete-wielding killer in an abandoned church. Meanwhile, five campers arrive to examine some property one of them has inherited but are warned by the forest ranger not to venture forth. Soon after they set up camp, they begin hearing strange noises, encounter a mysterious singing girl and start disappearing one by one.
Why These Movies Are Similar
These recommendations share core qualities with Piranha (1978): Horror and Science Fiction themes, similar narrative structure, and comparable emotional depth. NoBadPicks uses a combination of TMDB collaborative filtering, genre matching, and AI analysis to surface films most likely to resonate with fans of Piranha.
See full details for Piranha (1978)