Wow, that is a big mouse! Wish I could get my hands on something like that. Pet store mice are always small. I feed reptiles and when I go to the store and buy "the largest adult mice you can find" from the freezer, I come home and weigh them and they are sometimes as small as 12g. :shock: That to me is tiny for an adult! I usually consider a pet store mouse a fully grown adult when they reach 25-30g.