Common Name: Crested Guinea Pig
Scientific Name: Cavia porcellus
Breed Group: Smooth-coated breeds
Origin: Domesticated from South American cavies; breed standardized in Europe and North America
Recognition: Accepted by most guinea pig associations (ACBA, ARBA, etc.)
Types:
American Crested – white crest with a different-colored body
English Crested – crest the same color as the rest of the coat
Size: 20–25 cm (8–10 in)
Weight: 700–1,200 g (1.5–2.6 lbs)
Build: Sturdy, compact body with smooth sides
Coat:
Short, sleek, and smooth like the American guinea pig
Distinctive crest (rosette) centered on the forehead, pointing outward in a swirl
Colors & Patterns: Wide variety (solid, bicolor, tricolor, agouti, brindle, etc.)
Lifespan: 5–7 years (sometimes 8+)
Personality: Friendly, calm, curious, and gentle
Temperament: Easygoing, great for beginners and families with children
Social Needs: Very social—must be kept with at least one companion guinea pig
Communication: Very vocal, using the same sounds as other breeds—wheeks (excitement), purrs (contentment), rumbles (dominance), chirps (rare, mysterious sound)
Grooming Needs: Very low—only occasional brushing to keep coat neat
Type: Strict herbivores
Staple Diet:
Unlimited hay (timothy, orchard grass, meadow hay)
Daily vegetables (leafy greens, bell peppers, zucchini, carrots)
Guinea pig pellets fortified with Vitamin C
Vitamin C Needs: Critical—20–30 mg/day
Treats: Small fruit pieces (apple, kiwi, strawberry, orange) occasionally
Maturity: 2–3 months old
Gestation Period: 59–72 days
Litter Size: 2–4 pups (sometimes more)
Young: Born precocial—furred, eyes open, and eating solids within hours
