Tataru could actually do a lot more than Roy expects, which would be pretty cool. I envision him just asking her to keep track of the numbers and she ends up calculating out egg production and just how many of the bludrocs they can eat based on hatching and growth time and sustainability...

I'll keep an eye out for Xion though, and think long-term. It IS a little weird trying to adapt to what amounts to a permanent influence so long as they're there.