Leopard Seal vs Tasmanian Devil
Quick answer
In a hypothetical one-on-one, the Leopard Seal would most likely come out on top decisively, thanks to its more dangerous natural weapons and 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
EndangeredLeopard Seal vs Tasmanian Devil compared
| Attribute | Leopard Seal | Tasmanian Devil |
|---|---|---|
| Weight | 450 kg | 10 kg |
| Length | 3.5 m | 65 cm |
| Top speed | 40 km/h | 24 km/h |
| Strength | 75/100 | 55/100 |
| Deadliness | 70/100 | 30/100 |
| Intelligence | 50/100 | 45/100 |
| Lifespan | 26 yr | 6 yr |
Leopard Seal vs Tasmanian Devil: common questions
Who would win in a fight, a Leopard Seal or a Tasmanian Devil?
In a hypothetical one-on-one, the Leopard Seal would most likely come out on top decisively, thanks to its more dangerous natural weapons and greater size and power. In reality, animals like these rarely meet, and both would usually avoid a fight.
Which is bigger, the Leopard Seal or the Tasmanian Devil?
The Leopard Seal is heavier, weighing around 450 kg compared with the other's 10 kg.
Which is faster, the Leopard Seal or the Tasmanian Devil?
The Leopard Seal is faster, reaching about 40 km/h versus 24 km/h.
Which lives longer, the Leopard Seal or the Tasmanian Devil?
The Leopard Seal typically lives longer, up to around 26 years compared with 6 years.
Sources & references
Size, speed, and conservation data are drawn from established zoological references. Compare full profiles for habitat, diet, and behaviour:
- Leopard Seal — full guide
IUCN Red List (Least Concern, Hydrurga leptonyx)
- Tasmanian Devil — full guide
IUCN Red List (Endangered, Sarcophilus harrisii)
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