yesterday my mom came home with a rainbow lizard she baught me i didnt really dont know much about it and i could only put it in my 15 gallon tank that i was setting up to put an american toad that i was thinking about getting the tank has a water dish soil and a bark cave the lizard is about 6 inches long in cluding the tail what kind of set up should i put him in he runs very very fast please help i dont want him to die of stress