whattodo

Hi guys! New beardie owner here. So I actually just got my beardie yesterday, he's 4 months old. He was chilling on my arm today when I noticed a red moving dot on his nose, just one tho. I blew the dot (which I think was a mite?) away and emptied his enclosure (bark substrate, a piece of wood...

My bearded dragon has bitten the end of it's tail off and I can see bone and flesh but he's not bleeding. Their is a few scales that's keeping it attached some how. The bearded dragon doesn't seem at all fazed about it and is eating and running about as usual..I'm unsure what to do as theirs not...