Let's just visualise that for a moment. Thousands of wild carnivorous animals ranging from snakes to lions and tigers, all cooped up in an extremely confined space and forced to eat a vegetarian diet - and then in comes Noah and his tasty family. Yep, this was a good plan.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'