TIL that dwarf rats exist. They're said to rarely get tumors, and to have a longer lifespan than regular rats.
TIL that dwarf rats exist. They're said to rarely get tumors, and to have a longer lifespan than regular rats.
www.atlantisrattery.com
Dwarf Rats
however, they might be prone to other illnesses and obesity, according to this reddit thread. (redlib link to the same thread)