What is the scientific name of a pet rat? Like, what species are they?

Question

I know all about rat classification and stuff. =)

I just want to know, which species is the species that we keep as a pet rat?

Answer 1

Rattus norvegicus.

Answer 2

Rats are various medium sized, long-tailed rodents of the superfamily Muroidea. "True rats" are members of the genus Rattus, the most important of which to humans are the black rat, Rattus rattus, and the brown rat, Rattus norvegicus. Many members of other rodent genera and families are also called rats and share many characteristics with true rats.

Answer 3

i think it might be rattus rattus....

or something close to that...