Each breed is most easily recognized by the hair type, though there are other differences, too. The American breeds are short, smooth-haired cavies. The Peruvian is a long-haired cavy with a coat that parts down the center of the back. The Selfs are smooth-coated guinea pigs whose coats are all one color, including the hair on the feet. Eyes, ears and foot pads are black, as are toenails.
Eyes are either pink or black.
Footpads are are flesh, and ears are either white or pink. Deep brown coat with ears and footpads to match. Eyes are red. Eyes are pink. Ears and footpads are pink or beige.