Capybara vs Rat
Quick answer
In a hypothetical one-on-one, the Capybara would most likely come out on top decisively, thanks to its greater size and power and raw strength. In reality, animals like these rarely meet, and both would usually avoid a fight.
This is a hypothetical, educational comparison based on typical size, strength, and natural weaponry. In the wild these animals rarely meet, and most encounters end without a fight.
Mammal
Least Concern
Mammal
Least ConcernCapybara vs Rat compared
| Attribute | Capybara | Rat |
|---|---|---|
| Weight | 55 kg | 500 g |
| Length | 1.2 m | 25 cm |
| Top speed | 35 km/h | 13 km/h |
| Strength | 25/100 | 8/100 |
| Deadliness | 5/100 | 12/100 |
| Intelligence | 40/100 | 50/100 |
| Lifespan | 9 yr | 3 yr |
Capybara vs Rat: common questions
Who would win in a fight, a Capybara or a Rat?
In a hypothetical one-on-one, the Capybara would most likely come out on top decisively, thanks to its greater size and power and raw strength. In reality, animals like these rarely meet, and both would usually avoid a fight.
Which is bigger, the Capybara or the Rat?
The Capybara is heavier, weighing around 55 kg compared with the other's 0.5 kg.
Which is faster, the Capybara or the Rat?
The Capybara is faster, reaching about 35 km/h versus 13 km/h.
Which lives longer, the Capybara or the Rat?
The Capybara typically lives longer, up to around 9 years compared with 3 years.
Sources & references
Size, speed, and conservation data are drawn from established zoological references. Compare full profiles for habitat, diet, and behaviour:
- Capybara — full guide
IUCN Red List (Least Concern, Hydrochoerus hydrochaeris)
- Rat — full guide
IUCN Red List (Least Concern, Rattus norvegicus)
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Global Animal Guide editorial standards
How we research, source, and review wildlife comparisons.