https://blog.spacehey.comForum Topic created by RatPawz (side)https://forum.spacehey.com/reply?id=842336https://forum.spacehey.com/reply?id=842336Hello! In most cases yes! This is primarely due to the hormones of each rat. If they're not from the same breed (siblings) they will start fighting over territory and food, this is because they see each other as intruders. Be careful, some rats are even able to eat their competitors and pups in order to survive! I would suggest you to separate them. Female attacks female, male attack male, take th...Mon, 20 Oct 2025 21:13:37 +0000