Anacondas: The Hunt for the Blood Orchid (2004)

The blood orchid – a rare flower that could hold the secret of eternal life and be worth a fortune to the company that finds it. Led by a pharmaceutical research team, a scientific expedition sets out to explore deep into the jungles of Borneo to locate and bring back samples of the legendary plant. Battling through rainstorms to make their way upriver, the group encounters poisonous insects and a ferocious crocodile, only to discover they’re being stalked by an even greater danger: a gathering of giant anacondas! Heat-sensing, fifty-foot-long flesh-eaters that’ll go after anyone that crosses their path!