Why do my mice in my one tank jump around and itch themselves constantly?

[Sean22]

:shrugs: is something wrong :shrugs:

-and the one female attacks :twoguns: all the other mice
what should i do? remove her?

[Krenna]

How many mice do you have in the tank? what are the sex of the mice you have? Are you breeding for feeders or are they pets? Did you recently add mice to your other mice?

[Sean22]

four mice in tank
1.3
feeders
and i didnt add any new mice
i got them like a month ago