I think both cages are too small. R. auriculatus are fairly active and bulky geckos. I've had as many as 20 of them at once (half adults) and they had screen cages equivalent to 18g tanks in size. They were kept singly just as I keep all my other animals and I still thought the housing accomodations were a bit small. In a fall, I'll be doing another "run" of custom vivs and they'll all be getting tanks equivalent to about 28g tanks each. I'd honestly take a look into some larger caging options...