Best movies like Rottweiler

A set of vipers has been taken by scientists to mutate them to make a cure for cancer. As their experiment goes awry, the vipers escape into the woods - they're not only biting people, they're actually killing people, in a little town.

A genetically re-engineered dog develops a psychic link with a monster created in a lab experiment which goes awry.

Richard Greico leads a team of electrical workers who stumble across a terrifying parallel universe. While investigating a strange power source in an abandoned building, the workers find themselves sucked into an underworld teeming with massive, man-eating, spider-like monsters. The bloodthirsty arachnid-human hybrids stalk and kill their victims one by one, leaving the dwindling group of survivors to fight back with just their wits and a handful of primitive weapons.

A crazed scientist experimenting with a rage virus on innocent victims in a laboratory in the woods. When his monstrous subjects escape and vultures devour their remains, they became mutations seeking to feed on humans.

When a series of unexplained vicious animal attacks strikes his community, Sheriff Jim Tanner and his assistant Barbara trace them back to a Dr. Hyde, a former military researcher whose government funding for a dinosaur cloning project was cut. When the Pentagon discovers Hyde obtained foreign backing to continue his experiments, they send in a strike team to save Tanner and Barbara and stop Hyde.

Cancer-terminal tycoon Peter Murdoch's secret Wexel Hall Pharmaceuticals lab has developed a blood orchid extract cure. To examine why it works optimally in snakes, they also bread a super-anaconda strain. But the original pair escapes, leaving a bloody trail of human corpses. Murdoch runs, instructing his staff to clean up. They keep failing and being eaten like unsuspecting locals, some alive, even after enlisting ruthless big game hunter Hammett. The fast-growing pregnant monster sheds its skin, thus disabling the only tracking device they have.

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

Genetically mutated bats escape and it's up to a bat expert and the local sheriff to stop them.

A group of Delta Force soldiers, accompanied by a CIA agent, are sent to the Belzan forest in Chechnya in search of a rogue American weapons researcher, Dr. Benton Walsh. As they search for Walsh's camp, they are attacked by genetically-altered carnivorous bats. The survivors attempt to reach helicopter extraction but encounter various challenges, including Chechen rebels.

Brothers John and Matt have inherited an island cabin from their recently deceased uncle. Along with Matt's girlfriend, Nicki, and other mutual friends, the siblings travel to the cabin for a relaxing weekend getaway. But, not long after arriving, the group is besieged by ravenous dogs. They watch in horror as another vacationer, Luke, is eaten alive. Soon, they discover a training facility where the dogs have been bred to kill.

A cop on the track of a criminal finds himself in the midst of an unfinished subway tunnel, when his flashlight reveals a startling discovery: a three meter long scorpion-like Bug. With one slice of its massive tail the bug fells the man and devours him. FBI agent Matt Pollack is brought in to investigate, and when forensics reveal the source of the problem, he turns to his friend and entomologist Emily Foster for help.

When a traveling carnival comes to a rural Nebraska town, the caged attraction everyone is talking about is the alleged Jersey Devil. When the beast escapes, tearing the citizens to shreds, local sheriff Sam Atlas steps up to form a tracking team. But the carnivorous fugitive is only one of Sam’s problems. The local pastor, enraged by the death of his son at the hands of the beast, has plans for igniting his own brand of hellfire and revenge.

An employee of a secret company operation becomes the victim of the company's special weapons project. He is transformed into a robotic killing machine that, because of his programming must destroy anything that comes near him.

A dormant volcano deep with the Turkish forest holds within it a deadly secret. Perfectly preserved, a nest of pterodactyl eggs are ready to hatch...

An ex-Navy seal, his girlfriend and their friends head out on a road trip to New Orleans. The group decides to stop at a roadside convenience store owned by Chopper, who tells them the tale of Lockjaw, a fabled god-like creature who is half-man, half-alligator.

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.

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.

A news team is sent to Burundi to capture and bring home a legendary 25-foot crocodile. Their difficult task turns potentially deadly when a warlord targets them for death.

It's an experiment in human behavior. It's an exploration of the most natural of animal impulses. It's something new under the moon. And it bites. When security dispatcher Aaron Scates is blinded in an explosion, he's put in the care of Dr. Andrea Hewlitt, famous in her field for spearheading extraordinary-though controversial-medical breakthroughs. Her newest is cross-species organ transplants, and Aaron is her first human subject. When a severely wounded wolf is brought to Dr. Hewlitt's office by museum curator Lydia Armstrong, Dr. Hewlitt leaps on the opportunity and successfully transplants the wolf's eyes to Aaron-despite Lydia's objections. Aaron, however, is thrilled. Not only can he see again, he can see in the dark. He also has an unusually acute sense of hearing, and tears into a raw steak like never before. Unfortunately, he also tends growl, and to target people as prey.

When a young ski team training for the Olympics arrives at the remote and isolated Lost Mountain Ski Resort to focus on training, they're thrilled to find a retired Olympic skier is there to help them train. But their plans are halted when a scientist working at a nearby government lab arrives with the horrifying news that a top secret Government project has produced giant spiders and they have escaped, killing and eating everything in sight.

A dog turns from man's best friend into man's worst nightmare as he attacks everything that moves.

A group of humans arrive on Sirius 6-B to investigate an SOS signal sent out from the planet, which has been supposedly deserted since the destruction of the man-made weapons known as "screamers." Once the squad arrives, they find a group of human survivors eking out an existence in an old military outpost.

In the fishing village of Cedar Bay, terror lies within the water. And now it has surfaced in search of something more substantial to devour than marine life: human flesh. A captain and a sea biologist must wage a terrifying battle against the deadly creatures in order to save mankind from total extinction.

People are dying mysteriously and gruesomely, and nobody has a clue what the cause is. Only health worker Mike Brady has a possible solution, but his theory of killer slugs is laughed at by the authorities. Only when the body count begins to rise and a slug expert from England begins snooping around does it begin to look like Mike had the right idea after all.

Under a powerful Mayan curse, snakes are hatched inside a young woman, slowly devouring her from within. Her only chance for survival is a powerful shaman who lives across the border. With only hours to live, she jumps on a train headed for Los Angeles. Unfortunately for the passengers aboard, they are now trapped, soon to be victims of these flesh-eating vipers.

In the midst of a tropical storm, the crew of an offshore oil rig must survive the rampage of a creature after invading its undersea habitat.

A political prisoner in a South American dictatorship escapes and is pursued throughout the country by a bloodthirsty dog.

After an African dinosaur ancestor of the crocodile is found, Dr. Campbell uses its DNA to create prototypes at Paula Kennedy's Gereco lab.

The U.S. Navy's special group "Blue Water" builds a half-shark, half-octopus for combat. But the sharktopus escapes and terrorizes the beaches of Puerto Vallarta.

A space shuttle crashes containing a lethal prototype organism designed to survive in any environment. The only people who can stop the creature are the Secretary of Defense agent and the female scientist who created it.

A widow, Deputy Sheriff Jane Kozik, moves from Manhattan to Black Stone, New York, with her daughter Kelsey. There she expects to find a safe place to live. The day after moving, a homeless man is found dead in the tool shed of Jane's blind friend Beverly; an entomologist, Katherine is summoned to help with the investigation, along with Devin, Jane's brother-in-law and former boyfriend. Meanwhile, Kelsey befriends Eli, a scientist who has developed genetically modified wasps to the army as a weapon, and who is now trying to revert the process. When the wasps attack Black Stone, Jane, Devin and Eli team-up to attempt to destroy the swarm.

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.

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.

A team of terrorist-fighting Naval officers in the South China Sea finds their struggle against the enemy taking a backseat to the fight of their lives when an horde of creatures thought to be extinct for millions of years descend upon them in an action-packed tale of man-versus-monster starring Steven Bauer and Lorenzo Lamas.

A computer whiz named 'Bean' is among several people found dead with strange striations, odd puncture wounds and missing internal organs. Bean's brother Ted teams up with detective Gina to get to the bottom of it. With the help of a computer hacker, they find a blueprint that reveals the killer who has been terrorizing the city...a rampaging posse of genetically mutated cockroaches!