Guinea Pig vs Patagonian Mara
How does the Guinea Pig compare to the Patagonian Mara? They are both members of the Caviidae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Cavia porcellus
- Dolichotis patagonum
- Classification
- Mammal
- Mammal
- Family
- Caviidae
- Caviidae
- Habitat
- Grasslands (ancestral), domesticated environments
- Grasslands and shrublands of central and southern Argentina
- Diet
- Herbivore
- Herbivore
- Conservation status
- Domesticated (Not Evaluated); wild relatives Least Concern
- Near Threatened
- Lifespan
- 4-8 years
- 8-14 years
- Weight
- 700-1200 grams
- 8–16 kg
Guinea Pig vs Patagonian Mara: who would win?

Guinea Pig
700-1200 grams

Patagonian Mara
8–16 kg
Patagonian Mara wins high confidence
Patagonian Mara is substantially heavier (8–16 kg vs 700-1200 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are mammals.
- Both belong to the Caviidae family.
- Both have a herbivore diet.
Differences
- Habitat: Grasslands (ancestral), domesticated environments vs Grasslands and shrublands of central and southern Argentina.
- Conservation: Domesticated (Not Evaluated); wild relatives Least Concern vs Near Threatened.
- Weight: 700-1200 grams vs 8–16 kg.
Guinea Pig vs Patagonian Mara: FAQ
Who would win in a fight, a Guinea Pig or a Patagonian Mara?
Patagonian Mara wins. Patagonian Mara is substantially heavier (8–16 kg vs 700-1200 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a Guinea Pig and a Patagonian Mara?
Guinea Pig and Patagonian Mara differ in several ways — habitat: grasslands (ancestral), domesticated environments vs grasslands and shrublands of central and southern argentina. conservation: domesticated (not evaluated); wild relatives least concern vs near threatened. weight: 700-1200 grams vs 8–16 kg.
Do Guinea Pig and Patagonian Mara live in the same habitat?
No — Guinea Pig lives in grasslands (ancestral), domesticated environments, while Patagonian Mara is found in grasslands and shrublands of central and southern argentina.
What do Guinea Pig and Patagonian Mara eat?
Both Guinea Pig and Patagonian Mara have a herbivore diet.
Which is more endangered, the Guinea Pig or the Patagonian Mara?
Guinea Pig is listed as Domesticated (Not Evaluated); wild relatives Least Concern, while Patagonian Mara is listed as Near Threatened.
How big are Guinea Pig and Patagonian Mara?
Guinea Pig weighs around 700-1200 grams, while Patagonian Mara weighs around 8–16 kg.

Full profile
Guinea Pig

Full profile
Patagonian Mara


