Australian Sea Lion vs Northern Fur Seal
How does the Australian Sea Lion compare to the Northern Fur Seal? They are both members of the Otariidae 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
- Neophoca cinerea
- Callorhinus ursinus
- Classification
- Mammal
- Mammal
- Family
- Otariidae
- Otariidae
- Habitat
- Coastal waters and islands
- Open ocean and rocky subarctic islands
- Diet
- Carnivore
- Carnivore
- Conservation status
- Endangered
- Vulnerable
- Lifespan
- 15-25 years
- 12-25 years
- Weight
- 70-300 kg
- Female: 30-50 kg, Male: 150-270 kg
Australian Sea Lion vs Northern Fur Seal: who would win?

Australian Sea Lion
70-300 kg

Northern Fur Seal
Female: 30-50 kg, Male: 150-270 kg
Australian Sea Lion wins high confidence
Australian Sea Lion is substantially heavier (70-300 kg vs Female: 30-50 kg, Male: 150-270 kg). 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 Otariidae family.
- Both have a carnivore diet.
Differences
- Habitat: Coastal waters and islands vs Open ocean and rocky subarctic islands.
- Conservation: Endangered vs Vulnerable.
- Weight: 70-300 kg vs Female: 30-50 kg, Male: 150-270 kg.
Australian Sea Lion vs Northern Fur Seal: FAQ
Who would win in a fight, a Australian Sea Lion or a Northern Fur Seal?
Australian Sea Lion wins. Australian Sea Lion is substantially heavier (70-300 kg vs Female: 30-50 kg, Male: 150-270 kg). 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 Australian Sea Lion and a Northern Fur Seal?
Australian Sea Lion and Northern Fur Seal differ in several ways — habitat: coastal waters and islands vs open ocean and rocky subarctic islands. conservation: endangered vs vulnerable. weight: 70-300 kg vs female: 30-50 kg, male: 150-270 kg.
Do Australian Sea Lion and Northern Fur Seal live in the same habitat?
No — Australian Sea Lion lives in coastal waters and islands, while Northern Fur Seal is found in open ocean and rocky subarctic islands.
What do Australian Sea Lion and Northern Fur Seal eat?
Both Australian Sea Lion and Northern Fur Seal have a carnivore diet.
Which is more endangered, the Australian Sea Lion or the Northern Fur Seal?
Australian Sea Lion is listed as Endangered, while Northern Fur Seal is listed as Vulnerable.
How big are Australian Sea Lion and Northern Fur Seal?
Australian Sea Lion weighs around 70-300 kg, while Northern Fur Seal weighs around Female: 30-50 kg, Male: 150-270 kg.

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Australian Sea Lion

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Northern Fur Seal



