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Guinea Pig Identification Calculators and Tools

These tools help you work out exactly what you have: breed or species identifiers, morph guides and step-by-step sexing guides for guinea pig owners. The tool is free, quick and based on guinea pig reference data.

Identification1 tool

The guinea pig identification tool

Guinea Pig Identification tools: what they help with

These tools help you work out exactly what you have: breed or species identifiers, morph guides and step-by-step sexing guides for guinea pig owners. Identification is not just curiosity. Breed or species affects adult size, lifespan, diet and the right care, and sex matters for housing and breeding.

What to know about identification and sexing for guinea pigs

Guinea pigs typically live 5 to 7 years. Guinea pigs are highly social and should never be kept alone. They need a large ground-level cage, unlimited grass hay, and a daily source of vitamin C.

Guinea Pig quick facts

Reference values for guinea pigs from the species data behind this tool.
MeasureGuinea Pig
Typical lifespan5–7 years
Adult weight1.5–2.6 lb (0.7–1.2 kg)
DietHerbivore
Mature atAbout 5 months
Pregnancy59–72 days
Litter size1–6
Humidity40–60%

A practical tip

Use several clear photos in good light if a guide asks you to compare features. Young animals can be hard to sex, so recheck as they mature.

Other guinea pig topics

Guinea pig care rarely sits in one box. You may also find these useful: guinea pig age tools, guinea pig behavior tools, guinea pig breeding tools and guinea pig cost tools. Or see every guinea pig tool in one place.

Identification tools for other pets

The same kind of tool exists for other species, each using that animal's own reference data: dog identification, cat identification, rabbit identification and hamster identification.

Frequently asked questions

How can I tell what breed or type of guinea pig I have?

The identifier walks you through visible features like size, coat or coloring. For a definite answer on mixed animals, a DNA test or an experienced vet is more reliable.

Which guinea pig identification tool should I use first?

Most people start with the Guinea Pig Breed Identifier, the most used tool in this group. If your question is more specific, the list above describes what each of the 1 tools does.

How accurate are the results?

They are estimates based on published reference data for guinea pigs, and each tool lists its sources. Individual animals vary, so treat results as a guide and check health decisions with your vet.