I would agree with Ginnyo, I started with a plastic reptile container with a snap lid, and put her in a 55 gal aqarium when she was 2months old. It has two hides, a nice water bowl, a large flat rock, a large driftwood branch, underheat pad, and newspaper as a substrate. She loves it and its easy to clean. She is 4 months old now and at her size, over 20", this aquarium looks just right and she has room to play.