Yes, the 18x18x36 ( 50 Gallon ) version is more than adequate to house two cresties (provided they are a male / female pair, not two males). I actually know people that raise a male and two females is this cage quite comfortably. The main concerns would be humidity control but that can be maintained through a good hygrometer / fogger / controller. (the fogger works better than a mister in this application) Also cresties will tend to occasionally deficate on the sides. If its cleaned up quickly it's not a problem. If not, it can be somewhat annoying trying to clean it out of the screen.
answered 1 year, 3 months ago
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no the size would be an awesome crested gecko habitat but they would slip through the wire holes and escape unfortunately.
answered 2 years, 6 months ago
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