The Predalien is the combination of a xenomorph alien and a yautja predator and is the main antagonist of the film, Alien vs. Predator: Requiem.
With the ending of the first film having the Predalien Chestburster pop out of the deceased yautja scar, there was obviously going to be a sequel.The Predalien Chestburster snuck into a yautja scout ship which landed in a small town in America. The Predalien and several other xenomorph's start to ravage everything in sight. After killing the predator crew, save one, who comes to fight the xenomorph's and crashes the ship, and dies just before sending a distress call.
Later the Predalien litters the sewers with face huggers and attacks a homeless camp, and injects some xenomorph embryos into a homeless woman.
Later on, a Predalien comes to a diner and kills the cook, then impregnates the waitress. Later it comes to a hospital were after killing or impregnating everyone it sets up shop, and creates the nest.
Shortly afterwards, she is attack by a predator who answered the distress call, and the Predalien gets the warrior to help, and they attack the preator. After wiping out most other xenomorphs, the Predator and the Predalien are fighting out on the roof were the Predator rips out the beast's inner jaw and slices its head with its wrist blades. Unfortunately, the Predalien stabs the yautja through the chest. After a few seconds of silence, a nuclear bomb goes off incinerating them, killing the Predalien permanently.
- The Predalien is the main boss in the predator segment of the 2010 game Alien vs. Predator.
- The Predalien is and abreviation for predator alien.