i hav 3 young bp, they r all the same age and size, they r bout 18inch long. i keep them in a 4f -2ft-2ft tank, i made it myself out of wood with slidin glass doors,i used wood coz i find it better 4 holdin heat then all glass, and also less of a visable area 2 ur bp, i hav a book on bp, and that says u can keep an adult in a 3ft-1ft-1ft,
hope this helped