Zalophus californianus

California Sea Lion: Where and when to dive with them

1.8-2.4 metres
15-25 years
Least Concern

The California Sea Lion at a glance

California sea lions are charismatic and playful marine mammals commonly encountered along the Pacific coast of North America. Known for their intelligence and acrobatic underwater behaviour, they are a favourite among divers and snorkellers, especially in the Sea of Cortez where they gather in large colonies on rocky islets.

Behaviour & reproduction

Size
1.8-2.4 metres
Weight
90-390 kg
Lifespan
15-25 years
Status
Least Concern

Diving Tips

Sea lions are incredibly playful and love to interact with divers. Stay relaxed and let them approach. They often mirror your movements, spinning, blowing bubbles, and making eye contact. Avoid touching or chasing them.

Fun facts about the California Sea Lion

  • Sea lion pups learn to swim at about 2 weeks old
  • They can dive to over 270 metres and hold their breath for nearly 10 minutes
  • California sea lions are often trained for shows due to their intelligence
  • Males can weigh up to four times more than females

Best time to see the California Sea Lion

Year-round, pups most playful October-April

Where the California Sea Lion lives

Rocky coastlines, harbours, and offshore islands along the eastern Pacific from Alaska to Mexico

What the California Sea Lion eats

Fish (sardines, anchovies, mackerel), squid, and octopus

California Sea Lion: frequently asked questions

When is the best time to see California Sea Lion?
Year-round, pups most playful October-April
How big does California Sea Lion get?
California Sea Lion: 1.8-2.4 metres
Is California Sea Lion dangerous for divers?
Sea lions are incredibly playful and love to interact with divers. Stay relaxed and let them approach. They often mirror your movements, spinning, blowing bubbles, and making eye contact. Avoid touching or chasing them.
What is the conservation status of California Sea Lion?
California Sea Lion: Least Concern
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