Best movies like Alligator 2: The Mutation

Dead bodies are being found in New York harbor. The police have no clues nor suspects until Nick and his colleague realize the killer is a giant octopus. Everybody, especially the police captain, refuses to believe Nick's story, and soon the harbor will be filled with boats for the 4th of July celebrations.

A homicide detective teams up with an evolutionary biologist to hunt a giant creature that is killing people in a Chicago museum.

Police chief Brody must protect the citizens of Amity after a second monstrous shark begins terrorizing the waters.

Sean Anderson partners with his mom's boyfriend on a mission to find his grandfather, who is thought to be missing on a mythical island.

After falling from the Twin Towers, Kong lies in a coma for ten years. When his heart begins to fail, scientists engineer an artificial heart, and a giant female ape is captured to serve as a source for a blood transfusion. When Kong awakens following his heart transplant, he senses the nearby presence of the female ape and the two escape to wreak havoc together.

A team of environmentalists, including a reporter, her camera man, and an environmentalist's famous girlfriend charter a boat and with the captain, sail to a military island. They suspect the island is hosting to illegal activities. Upon arrival, however, they find no one. They finally reach a deserted house, where they find Dr. Susan Richardson, who tells them that everyone on the island is dead, including her father. Richardson's team were working on a compound that could make edible plants grow to super size, however the military intervened with plans of their own. They wanted to test the compound's effects on animals, and proceeded to feed it to several komodo dragons and cobras.

Thirty years ago, Ray Reiter witnessed the brutal death of his parents at sea by a strange, octopus-like creature. Now determined to exact revenge, he joins archaeologist Nicole on a perilous high-seas expedition to find a legendary Greek Opal - said to be guarded by the very beast that murdered his family. As they come face to face with the killer Kraken, they must also battle a ruthless crime lord, who will stop at nothing to seize the coveted treasure for himself.

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.

A genetically created Anaconda, cut in half, regenerates itself into two new aggressive giant snakes, due to the Blood Orchid.

A giant alligator goes head to head with a giant Anaconda. The town sheriff must find a way to destroy the two monsters before they kill the whole town.

Milo and Kida reunite with their friends to investigate strange occurances around the world that seem to have links to the secrets of Atlantis.

A backwoods game warden and a local doctor discover that giant leeches are responsible for disappearances and deaths in a local swamp, but the local police don't believe them.

A rock concert awakens the legendary monster, who goes on a rampage. The event's organizer plans to kill the beast and create a tourist attraction around its stuffed body, but an environmentalist realizes the creature is the last of its species, and is determined to make sure it does not become extinct.

A rash of bizarre murders in New York City seems to point to a group of grotesquely deformed vagrants living in the sewers. A courageous policeman, a photo journalist and his girlfriend, and a nutty bum, who seems to know a lot about the creatures, band together to try and determine what the creatures are and how to stop them.

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.

When a man is eaten alive by an unknown creature, the local Game Warden teams up with a paleontologist from New York to find the beast. Add to the mix an eccentric philanthropist with a penchant for "Crocs", and here we go! This quiet, remote lake is suddenly the focus of an intense search for a crocodile with a taste for live animals...and people!

A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.

A black hole hits North Wisconsin and opens a door to other dimensions. Giant 15 meter spiders emerge from it, who have an appetite for human flesh! Dr. Jenny Langer and Dr. Vance from NASA try to save the world.

Genetically-engineered Komodo dragons have become ginormous creatures hunting people on a remote tropical island. A small group of scientists must stop the dragons before they escape the island and destroy the rest of the world.

A group of friends including Brady Turner, Claire and Duncan McKay go out on a boat trip on a lake in Southern California, but their joyful weekend turns into horror, when a giant killer crocodile searching for its stolen eggs, picks off anyone who gets in its way. Can they all escape in one piece or will they slowly and painfully fall to the mammoth reptile.

Corn grain contaminated with steroids produces large rats the size of small dogs who begin feeding on the residents of Toronto. Paul, a college basketball coach, teams up with Kelly, a local health inspector, to uncover the source of the mysterious rat attacks and they eventually try to prevent the opening of a new subway line as well as find the mutant rats nest quickly, or there will be a huge massacre of the entire city!

When shark conservationist Dr. Misty Calhoun is invited to consult on a top-secret project run by pharmaceutical billionaire Carl Durant, she is shocked to learn that the company is using unpredictable and highly aggressive bull sharks as its test subjects, which soon break loose and cause havoc.

The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.

On a stormy night, young Jim, who transports a luxury car from Chicago to California to deliver it to its owner, feeling tired and sleepy, picks up a mysterious hitchhiker, who has appeared out of nowhere, thinking that a good conversation will help him not to fall asleep. He will have enough time to deeply regret such an unmeditated decision.

While shooting a documentary on the suspicious disappearances within the homeless community, a filmmaker and his crew go missing while uncovering a terrifying and vicious secret below the city's surface.

A growth hormone experiment gets out of hand, when the the resulting giant man-eating rats escape, reaking havoc on the unsuspecting campus. Much blood-letting follows.

Little coastal town is being terrorized by deadly Barracudas.

Man-eating crocodiles return to the lake as two males and one aggressive female crocodile, which is protecting her nest, wreak havoc on the locals.

Sleepy New Haven California is a small town with a big problem. A sixty foot slithering horror has arrived and shattered the town's tranquillity on it's path of death and destruction... Growing violent and more savage with each attack the gigantic creature soon becomes an unstoppable feeding machine raging beyond control of it's creator, leaving only the stripped bones of it's victims in it's wake.

A man, his business partner, and his wife are enlisted to transport an unknown object from a Russian military base, only to discover that the object is a giant, genetically-altered python.

A biological experiment goes bad, this time releasing a gaggle of mutated great white sharks with a taste for human flesh. Soon enough, shark expert Nick West is on the case, leading a crew to study them and eventually bring them back into captivity. West's plans hit a snag, however, when Australian shark hunter Roy Bishop is called in to wipe out the fishy menace.

A group of mutant gators attack the cajun people. Pouring blue chemicals in a Louisiana swamp causes the alligator population to morph into monstrous creatures including a clan of cajuns living in the bayou.

Happy couple Jason and Alexandra lose their sail yacht in a storm and are grateful to get picked up by Captain Jim Bigelow's commercial carrier. Suspicious about the ship's doctor and realizing the ship is improbably empty and the radio not broken as the crew claims, Jason starts snooping around. Bodies on meat-hooks, genetic experimentation and giant spiders are what he finds.

After chomping through the fish population, thousands of starved lampreys begin attacking the citizens of a sleepy lake town, and the community scrambles to stay alive.

A rural Colombian village is attacked by a horrible sea serpent, aroused by industrial pollution of a nearby lake. Based on a real event that took place in June of 1971.

Hunters set out to catch the legendary Scottish monster that has defied explanation and eluded capture since the 1940s.

A team of scientists go to a nuclear mining facility to investigate a possible meltdown and instead find a large amount of cloned dinosaurs.

A biological experiment in Florida goes awry. The result: 8-foot long land crabs which roar loudly and kill everything in sight.

Mayor candidate Mike Rhodes is kidnapped in his own home outside of Los Angeles by unknown, masked terrorists. His wife Kelly barely survives the attempted murder on her, and is able to identify one of the kidnappers. She's placed on the police's protection list while the investigation is ongoing. Ruger, a tough and merciless bounty hunter is out on the streets avenging her partner's death. With Kelly as her bait, Ruger starts a dangerous game to bring Cavanough, a crazed crime kingpin behind the kidnapping, out of hiding.

A gigantic, mutated, reptile attacks the population of an unprepared city.

A military vessel on the search for an unidentified submersible finds themselves face to face with a giant shark, forced to use only what they have on board to defend themselves from the monstrous beast.

A giant lizard terrorizes a rural mid west community with a group of heroic young people led by Chase Winstead attempting to destroy the creature.

When an oil company unwittingly unleashes a prehistoric shark from its icy prison, the Jurassic killer maroons a group of art thieves and a group of college students on an abandoned island

A hybrid creature - half piranha and half anaconda -- attacks a low-budget horror movie crew on location near her nest when her egg is stolen. Now they must outrun and kill the deadly piranhaconda as well as stop the mad scientist who stole the egg - before they all become dinner.

A beautiful island is home to thousands of species of aquatic life. Now there is a new species: the 5-Headed Shark is all heads and teeth. Shaped like a demented starfish, this monster terrorizes the open ocean before invading the beaches of Puerto Rico, endangering the once peaceful island paradise.

A baby dinoshark evolves into a ferocious predatory adult, terrorising tourists and locals offshore from Puerto Vallarta, Mexico.

On a lush tropical island, working under a secret government charter, Martin Drake has not only grown sprawling acres of giant vegetables, but inadvertently spawned two mammoth reptiles as well. Now they've broken free of their enclosures, and Drake has only one option: kill the creatures before word gets back to Washington and they close him down. When Drake's first team of well-armed mercenaries gets wiped out within hours of setting down in the jungle, he turns to one lone hunter, The Cajun, to go in single-handedly. But will The Cajun be cunning enough to find the creatures and destroy them before they turn the blue waters red with the blood of tourists. The only hope is to bring the monsters together and make them fight. When one emerges victorious, that will be the time to strike and kill the other. It's a risky plan, but ultimately the only one that may work. One of David Carradine's last movies.

Giant albino spiders break free from the depths of Earth in New Orleans, making everyone’s worst nightmare a reality.

The Megalodon shark. A prehistoric killing machine 60 feet long, flashing 200 pounds of teeth and weighing over 20 tons. It's the deadliest predator the world has ever seen. The scientists say it's been extinct for more than 10,000 years. The scientists are wrong. In the darkness of the deep, an underwater research station has been viciously destroyed. Now a tough team of daring divers led by Spencer Northcutt [Antonio Sabato Jr. "Melrose Place"] is taking an experimental sub to war. It's killer instinct vs. sophisticated technology, deadly jaws vs. harpoon-tipped torpedoes, mega-shark vs. modern man is a thrilling extreme deep sea fight to the death.

Kyle, a shy college student finds himself and three of his friends trapped in an old western ghost town by a pack of ferocious wolves and has to overcome his personal fears to confront the wolves and lead his friends to safety.