River Monsters - Season 9 (2017) (season)
Plots(1)
When a snorkeler is impaled and killed by an unseen underwater assailant in the waters surrounding the tropical island of Sulawesi in Indonesia, Jeremy Wade travels to the remote islands to investigate a spate of similar attacks across the region. (Prime Video)
Gallery (11)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121655_a8d670.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121656_514050.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121657_a5069b.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121658_2007b7.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121659_708ced.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121661_66c35e.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121662_afdf2b.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121663_7b8b4f.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121664_a1751e.jpg)
Photo © Discovery Networks
![River Monsters - Coral Reef Killer - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/121/167121665_68f441.jpg)