Pet Rats can have different colours, markings, and different types of fur, even Bald Rats are avalible from breeders/pet shops. Albino Rats seem to have more chance with health problems, although they may have a higher chance of health problems than other Rats, the chances are quite small all in all.
Markings :
Blazed :White marking from the nose to the forehead.
Hooded :White body with colour on the head and lower back with a stripe that follows down the lower back that is often uneven and more of a patch.
Self : All the same colour and no markings.
Bareback : A white back with a coloured head.
Colours : Silverfawn, Cinnamon, Topaz, Black,White, Mink, Dove, Blue, Champagne, Agouti.