multimammate means what it says. the females have have upto 9 pairs of m-a-m-m-a-r-i-e-s (just in case any children are reading this
). Remove the mental image of Dolly Parton right now! They are like a very large mouse, 2 - 3 x bigger, but not as big as a rat.
These two are about 5 inches long with a slightly shorter tail. One major plus point they have no smell so the males don't stink the house out.