answered question 3/26/2010 I Need Information On Shih Tzu/ Chihuahua Mix Babies. How Big Will They Be, What Should I Expect? I have a 4 month old Shichi male, he's cream colored , blue eyed, he's got a pink nose and mouth, people say he looks like a baby pig . He is very loving when he wants to be but likes to bite you in a flash LOL, He weights 4lbs.