Californian Sea Lion vs Northern Fur Seal
How does the Californian 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
- Zalophus californianus
- Callorhinus ursinus
- Classification
- Mammal
- Mammal
- Family
- Otariidae
- Otariidae
- Habitat
- Coastal waters and rocky or sandy beaches
- Open ocean and rocky subarctic islands
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Vulnerable
- Lifespan
- 15-25 years
- 12-25 years
- Weight
- 90-390 kg
- Female: 30-50 kg, Male: 150-270 kg
Californian Sea Lion vs Northern Fur Seal: who would win?

Californian Sea Lion
90-390 kg

Northern Fur Seal
Female: 30-50 kg, Male: 150-270 kg
Californian Sea Lion wins high confidence
Californian Sea Lion is substantially heavier (90-390 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 rocky or sandy beaches vs Open ocean and rocky subarctic islands.
- Conservation: Least Concern vs Vulnerable.
- Weight: 90-390 kg vs Female: 30-50 kg, Male: 150-270 kg.
Californian Sea Lion vs Northern Fur Seal: FAQ
Who would win in a fight, a Californian Sea Lion or a Northern Fur Seal?
Californian Sea Lion wins. Californian Sea Lion is substantially heavier (90-390 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 Californian Sea Lion and a Northern Fur Seal?
Californian Sea Lion and Northern Fur Seal differ in several ways — habitat: coastal waters and rocky or sandy beaches vs open ocean and rocky subarctic islands. conservation: least concern vs vulnerable. weight: 90-390 kg vs female: 30-50 kg, male: 150-270 kg.
Do Californian Sea Lion and Northern Fur Seal live in the same habitat?
No — Californian Sea Lion lives in coastal waters and rocky or sandy beaches, while Northern Fur Seal is found in open ocean and rocky subarctic islands.
What do Californian Sea Lion and Northern Fur Seal eat?
Both Californian Sea Lion and Northern Fur Seal have a carnivore diet.
Which is more endangered, the Californian Sea Lion or the Northern Fur Seal?
Californian Sea Lion is listed as Least Concern, while Northern Fur Seal is listed as Vulnerable.
How big are Californian Sea Lion and Northern Fur Seal?
Californian Sea Lion weighs around 90-390 kg, while Northern Fur Seal weighs around Female: 30-50 kg, Male: 150-270 kg.

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Californian Sea Lion

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Northern Fur Seal



