Hey everyone, my little guy is doin good he up to about 275 grams. Ive been feeding him one adult mouse for a while thats 20 grams. I know its too small for him now. Its the biggest mice at petco and i cant find a place online where you can only get a couple instead of a lot of them. Also on the websites the weight varies give or take 10 grams and that would make a difference. can someone help?