Anaconda (1997)

Genre: Thriller | Horror | Adventure | Action
Starring: Jon Voight, Jennifer Lopez, Eric Stoltz, and Ice Cube
Tagline: You can't scream if you can't breathe.

Plot: A "National Geographic" film crew is taken hostage by an insane hunter, who takes them along on his quest to capture the world's largest - and deadliest - snake

http://www.imdb.com/title/tt0118615/
http://en.wikipedia.org/wiki/Anaconda_(film)

Sequals:
Anacondas - The Hunt For The Blood Orchid (2004)
Anaconda 3 - The Offspring (2008)
Anaconda 4 - Trail Of Blood (2009)