it is NOT a good idea to try to get these animals to take rodents as a staple. The stress will kill them if nothing else - due to fat and nutrition content they will not live long even if they do take a diet of rodents (and believe me thats a big IF.)
I kept prasina - it was stress that killed them in the end, and you wouldnt believe the levels i went to to keep them stress -free. Just wasnt good enough.
You can feed them on live fish as well as live geckos but they dont really take fish as well and it is not enough to be a staple.
Honestly - they are not worth keeping, beautiful animals just not an ideal pet in the slightest.