It's a slick, scary, funny Creature Feature, beautifully photographed and splendidly acted in high adventure style. Its snakes are thoroughly satisfying. The most dreaded predator of the Amazon, we learn, the anaconda can grow to 40 feet in length, and crushes its prey before engorging it whole (so whole that it eats an entire jaguar, leaving behind only a single poignant eyeball). These insights into anaconda lore come mostly from a character named Sarone, played by as a slimy river rat with a dangerous gleam in his eye. 'This river can kill you in a thousand ways,' he intones, and we get the feeling that he can, too. The propeller of his boat is broken, and he's rescued by a small expedition that hopes to make a documentary about the People of the Mist--a legendary lost Amazon tribe. 'I know them,' Sarone says.