a 2003 American made-for-television horror film starring Lou Diamond Phillips, Kristy Swanson, Gideon Emery and Coolio. The film originally aired on the Turner Broadcasting System (TBS) in August 2003, and became one of the highest-rated movies in the station's history. Directed by Charles Robert Carner and produced by Michael G. Larkin and Mitch Engel, the film tells the story of a bull shark which wreaks havoc as it makes its way up a river in Louisiana.

https://en.wikipedia.org/wiki/Red_Water
https://www.imdb.com/title/tt0365677/
https://www.youtube.com/watch?v=kTSORf2zsvc
https://www.youtube.com/watch?v=8Xq8miHY3rs