Board Thread:Movie discussion/@comment-73.195.4.48-20150626163853/@comment-26253811-20151109130551

And, there is this: http://www.jurassicworld.com/dinosaurs/indominus-rex/ That proves that the Indominus's roar alone could deafen the spinosaurus, creating an opening of a few seconds, and within that time the Indominus would strike, aiming for the throat.