my mom came yesterday with a lizard the box said rainbow lizard and it looks real similar to some of the lizard posted here and i need to know the best typeof set up tank size everything at the moment he is in a 15 gallon that i was setting up for a american toad there is about 3in of soil a water dish and a cave of bark i was thinking of getting a 40 gallon long because he runreally fast and keeps crashing into the glass can someone please help me

