Quote Originally Posted by Ballpython2 View Post
if get a male rat tonight and add it to my other rats which are two females and one male and the male rat im getting is a full grown adult and the male rat i have now is not as big will they fight? or will they be ok?

The smaller rat is getting adopted tomorrow so he wont be in there much longer than 24 - 38 hours from now.

If he is being adopted tomorrow, don't risk the breaking of quarantine and fights for one night.

Keep him in a separate room for the night in a separate tub/tank.