Species is a science fiction action horror media franchise created by Dennis Feldman consisting of four related films.
A group of scientists try to track down and trap a killer alien seductress before she successfully mates with a human.
An astronaut gets infected with alien DNA during the first mission on Mars and runs amok on earth. Preston and Laura team up with a peaceful, genetically re-engineered Sil to track the monster down.
As her species decays succumbing to infections and illnesses, an alien seductress immunologically stronger becomes the only hope for them to live on.
When she reaches the end of her lifespan, a scientist rushes to Mexico, in order to save the half-breed alien seductress he raised as his docile niece, but soon awakens the deadly, sexual predator inside her.
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