my gragon it in a 120gl tank split with a uromastix lizzard on the otherside. the tank is divided in half in the tank it has reptasand in a corner and a regular beding (a type of sand which is spesificly for reptiles, I just dont know the name). he has a basking spot(100wt light bulb-and a UVB light) which he spends most of his time, he has a water dish and he is fed about 10 crickets daily and pelets everyonce and a while.he has plent of hiding spots (a fake rock with a hole on one side, and a piece of hut wood. could any of this cause the bump? is there anything more you need to know?



Stacey