Monster movie that had a crab like monster

The story of Dian Fossey, a scientist who came to Africa to study the vanishing mountain gorillas, and later fought to protect them.

When Littlefoot grandfather falls ill, The dinosaurs only way to cure him is a flower in the forbidding land of mist which hold unexpecting perils and danger.

A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.

A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.

After a catastrophic car crash, a young woman wakes up in a survivalist's underground bunker, where he claims to have saved her from an apocalyptic attack that has left the outside world uninhabitable.

Five young New Yorkers throw their friend a going-away party the night that a monster the size of a skyscraper descends upon the city. Told from the point of view of their video camera, the film is a document of their attempt to survive the most surreal, horrifying event of their lives.

A horde of murderous crab monsters descend on a sleepy coastal town on Prom night, and only a ragtag group of outcasts can save the day.

A group of scientists travel to a remote island to study the effects of nuclear weapons tests, only to get stranded when their airplane mysteriously explodes. The team soon discovers that the tests have given rise to crabs mutated into intelligent, impervious, telepathic giants intent on increasing their numbers by breeding, then travelling to populated areas to feed, and which do not intend to be stopped by their discoverers.

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

A young girl steals her dad's growth experiment infused grapes and feeds them to a pet crab. Years later, the now gigantic crustacean attacks the town!