Muskrat vs Otter
Quick answer
In a hypothetical one-on-one, the Otter would most likely come out on top in most encounters, thanks to its greater size and power. 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 ConcernMuskrat vs Otter compared
| Attribute | Muskrat | Otter |
|---|---|---|
| Weight | 1.2 kg | 10 kg |
| Length | 35 cm | 1 m |
| Top speed | 5 km/h | 12 km/h |
| Strength | 15/100 | 18/100 |
| Deadliness | 5/100 | 12/100 |
| Intelligence | 38/100 | 65/100 |
| Lifespan | 4 yr | 13 yr |
Muskrat vs Otter: common questions
Who would win in a fight, a Muskrat or a Otter?
In a hypothetical one-on-one, the Otter would most likely come out on top in most encounters, thanks to its greater size and power. In reality, animals like these rarely meet, and both would usually avoid a fight.
Which is bigger, the Muskrat or the Otter?
The Otter is heavier, weighing around 10 kg compared with the other's 1.2 kg.
Which is faster, the Muskrat or the Otter?
The Otter is faster, reaching about 12 km/h versus 5 km/h.
Which lives longer, the Muskrat or the Otter?
The Otter typically lives longer, up to around 13 years compared with 4 years.
Sources & references
Conservation status follows the IUCN Red List of Threatened Species; size, weight, speed, and lifespan figures are drawn from Animal Diversity Web (University of Michigan Museum of Zoology) and Nowak, Walker’s Mammals of the World (Johns Hopkins University Press), cross-checked against each species’ own guide. Compare full profiles for habitat, diet, and behaviour:
- Muskrat — full guide
IUCN Red List (Least Concern, Ondatra zibethicus)
- Otter — full guide
IUCN Red List (Least Concern, Lutrinae)
-
Animal Diversity Web — University of Michigan Museum of Zoology
Life-history, morphology, and measurement data for Muskrat and Otter.
-
Nowak, R. M. (1999). Walker’s Mammals of the World (6th ed.). Johns Hopkins University Press.
Standard reference for body size, weight, and life-span ranges.
-
Global Animal Guide editorial standards
How we research, source, and review wildlife comparisons.
Embed this matchup
Drop this iframe on your site — free for non-commercial use with the visible attribution link intact.