No, a small rat is called a small rat. Rat fuzzies are baby rats that are just starting to get their fur. Small rats usually weigh between 45 and 84 grams. Here is a link to RodentPro's website where it shows the rat size and age and what that size is called. Look it over, has some good info!

http://www.rodentpro.com/catalog.asp...el=frozen_rats

hope this helps too,

Dave