Rogue (2007)

AKA Rogue Crocodile
Genre: Action | Adventure | Horror | Thriller
Directed by: Greg McLean
Running Time: 1 hr. 32 min.
Starring: Radha Mitchell, Sam Worthington, Stephen Curry, John Jarratt, Heather Mitchell

PLOT: An American travel writer working on a piece in the Australian outback puts him on the menu for an oversized crocodile who stalks the scribe on a river cruise.

http://www.imdb.com/title/tt0494652/
http://en.wikipedia.org/wiki/Rogue_(film)