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Peruvian Guinea Pig

Cavia porcellus · also called Peruvian Cavy, Long-haired Guinea Pig

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The Peruvian is a long-haired show breed whose dense coat grows continuously from a forward-falling forehead 'sweep' and two rear rosettes, often cascading well past the body. Glamorous but high-maintenance, it is best suited to dedicated keepers and exhibitors.

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Quick facts

SizeSmall rodent, 20-25 cm (8-10 in) body; coat can grow 30-50 cm+ if uncut; 700-1200 g
Lifespan5–8 years
Social needsgroup
Native regionFrance (breed standardization); species native to South America
FamilyCaviidae
GenusCavia

Part of the Guinea pig breeds

Recognized guinea pig breeds — selectively bred for type, purpose, and appearance.

Abyssinian Guinea PigAlpaca Guinea PigAmerican Guinea PigBaldwin Guinea PigCoronet Guinea PigHimalayan Guinea PigMerino Guinea PigRex Guinea PigSilkie (Sheltie) Guinea PigSkinny PigTeddy Guinea PigTexel Guinea PigWhite Crested Guinea Pig

Habitat & space requirements

From the minimum an animal needs to be kept humanely, up to the ideal setup. Bigger is almost always better — minimums are floors, not targets.

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Minimum

Single guinea pig floor space

≈ 7.5 sq ft (1080 sq in)

Continuous ground-level floor — guinea pigs do not use vertical levels and should not be kept in tall narrow cages. They are herd animals: keeping just one is discouraged in many regions. Peruvian has a very long flowing coat — same welfare floor; many keepers trim or wrap the coat for pet pigs.

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Recommended

Pair of guinea pigs

≈ 10.5 sq ft (1500 sq in)

C&C (cubes-and-coroplast) grids make it easy to reach this. Add hides at each end, a hay rack, and separate eating/toilet zones to reduce squabbling.

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Ideal

Herd with extra roaming

13+ sq ft plus daily floor time

Generous pen for a small herd, supplemented with supervised floor time on a washable surface. More space dramatically reduces stress and boredom-related behaviours.

Life & growth stages

How this animal changes through its life — each stage often has its own care, diet and space needs.

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Newborn

Newborn mammals are nursed on their mother's milk. Many are born helpless — blind, deaf, and sparsely furred (altricial, as in dogs, cats, and rodents) — while others stand and follow within hours (precocial, as in hoofed livestock).

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Juvenile

After weaning, juveniles grow quickly and become increasingly active, playful, and independent. Adult coat, proportions, and (in many species) the permanent teeth come in as they approach full size.

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Adult

Adults reach full body size and sexual maturity, with the species' mature coat and build. Sexual dimorphism — differences in size, mane, horns, or markings — is pronounced in some mammals and subtle in others.

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Senior

Senior animals show aging signs such as graying fur, reduced activity, and a greater need for veterinary monitoring of joints, teeth, and organ function. Lifespan and the onset of old age vary widely by species and size.

Color & pattern variants

Natural variants occur in the wild; selectively bred (man-made) variants were developed in captivity.

Selectively bred (man-made)

Self & solid colors

Single-color long-haired Peruvians.

Peruvian Satin

Peruvian Satin

Satin-coated long-haired variety with extra sheen; the satin gene carries an osteodystrophy risk.

Alpaca

A curly-coated long-haired breed derived from the Peruvian's coat structure combined with the rex/curl gene; sometimes grouped with Peruvian-type cavies.

Habitat & enclosure

House socially in same-sex pairs or groups in a large solid-floored cage or C&C habitat with clean, low-dust bedding to keep the long coat free of soiling — fleece is popular. Provide multiple hides, a hay rack and daily floor-time, kept indoors and draught-free at 17-24°C. The flowing coat makes cleanliness and frequent bedding changes essential.

Diet

Unlimited grass hay underpins the diet for teeth and gut motility, plus daily vitamin-C-fortified pellets and a cup of vitamin-C-rich fresh vegetables; dietary vitamin C is mandatory. Keep hay and food accessible despite the long coat, and provide constant fresh water. Introduce new foods gradually.

Behavior & temperament

A specialist show and pet breed, Peruvians are generally calm and gentle — the long coat over the eyes can make them a little less aware of surroundings, so they tend to be quieter and tamer. They are social and bond with cage-mates. Their purpose is primarily exhibition and ornamental companionship.

Health

All core guinea-pig risks apply (scurvy, dental malocclusion, respiratory and skin issues, pododermatitis, ovarian cysts, heatstroke, obesity). The long coat adds real welfare burdens: matting, urine/faecal soiling and flystrike around the rear, and trapped debris causing skin infection and parasites. Coat over the eyes can lead to corneal irritation. Avoid roan/dalmatian lethal-white pairings.

Tips, DIY & hacks

Daily brushing is essential, and most pet keepers should keep the coat trimmed short ('puppy cut') for the animal's comfort and hygiene — full-length coats are practical mainly for show animals that are wrapped/papered. Keep the rear end clipped and clean to prevent flystrike, trim hair around the eyes, and check skin regularly. Weigh weekly. Not recommended for beginners or children.

Sources

  1. Peruvian guinea pig — Wikipedia (wikipedia)
  2. American Cavy Breeders Association (ACBA) — Breeds (breed association)