I get the feeling that's gonna be one of the small creatures. I was half expecting a Phantom Menace 'there's always a bigger fish' moment in the trailer. Haven't looked up much on the story but I'm guessing they're going with huge 'flying' creatures that live in the atmosphere of gas giant planets. Certainly looks like it has potential.
Neill Blomkamp & Simon Kinberg to bring Ruairi Robinson's Leviathan to life
Blomkamp just worry about doing Alien 5.