Crested Guinea Pig

Crest colour, and the standards require opposite things. The English Crested's crest must match the body colour, and any differently coloured hairs in it are severely penalised. The American Crested's crest must be a complete circle of contrasting colour, usually white. Same animal underneath, opposite colour rules, and two separate standards in the same book.

Almost certainly, yes. A contrasting crest, usually white, forming a complete circle against the body colour is what the American Crested standard requires. That same white crest on an animal being judged as an English Crested would be severely penalised, so the colour of the whorl tells you which standard the animal belongs to.

No. Body, coat and colour conform to the English Self standard, so this is the short, flat, smooth cavy coat with a single whorl added. A weekly brush is the grooming routine; there is nothing to trim and no mat risk. The only addition is a weekly look at the crest centre and at whether crest hair has grown toward the eyes.

Twenty of a hundred points on the English Crested, and forty of a hundred on the American Crested. That second figure is the highest weighting any single feature carries in a cavy standard — nearly half the animal resting on one rosette, which is why crest quality drives the price so sharply.

Both standards ask for the same geometry: a rosette radiating from a centre point between the eyes and ears, deep and regular with no areas of flatness, a pinpoint centre, and the lower edge well down the nose. The English Crested standard adds that the crest must not have an open centre, meaning skin visible at the middle.

Yes. This is one of the easiest cavy coats to live with — the smooth short coat with a whorl — so it suits a first-time owner who wants a distinctive-looking animal without a daily grooming commitment. Spend the time you save on company, hay, vitamin C and space, which is what actually decides a guinea pig's welfare.

Close to it. The Council treats Crested as a variant of any short-haired category rather than as a coat of its own, and the standards book carries Crested Ticked (Agouti) and Crested Marked Pattern standards covering crested Himalayan, Tan, Fox and Otter alongside the English and American Crested.

No. The RSPCA is explicit that guinea pigs get lonely and should not be kept alone, and that they are happiest in pairs, with wild guinea pigs living in family groups of five to ten. Companionship means at least one other guinea pig; a rabbit, cat or dog does not meet the requirement and brings predation or disease risk with it. The coat makes that easy here: both animals are short-coated, so a pair adds companionship without adding grooming — just check each crest stays clean.

VCA gives 5 to 6 years as typical for guinea pigs, with some reaching 8 to 10. Plan for the upper end, and find out what your nearest exotics practice charges before you need it, because not every veterinary practice treats guinea pigs and that cost decides whether an emergency is affordable.