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  • California Sea Lion
Mammals

California Sea Lion

Scientific Name

Zalophus californianus

Other Common Name(s)

Californian Sea Lion

Body Weight

Male: 200-400 kg
Female: 50-110 kg

Body Length

Male: 2.0-2.5 m
Female: 1.5-2.0 m

Silhouette of a sea lion next to a human for size comparison.
A large sea lion sits on a rock, looking left, while a smaller sea lion faces it with an open mouth.

Habitat

Coastal waters, rocky shores, and sandy beaches
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Diet

Fish, and cephalopods such as squid and octopus
Fish, scallop, squid, and shrimp.

Fun Facts

  • California sea lions sometimes travel or forage with dolphins, porpoises, whales and seabirds.

  • Female California sea lions may adopt and raise abandoned pups.

Close-up of a sea lion's head and upper body looking up, with a blurred water background.
Two sea lions swim in clear blue water, heads partially above surface.

Distribution

Northeastern Pacific Ocean, including countries such as Canada, the United States, and Mexico.

Threats & Conservation

Threats & Conservation

Threats

  • An axe and a hexagonal grid with red dotsAn axe and a hexagonal grid with red dots

    Overexploitation of Biological Resources

  • Different types of microbesDifferent types of microbes

    Invasive Species & Diseases

  • Factory with smokestack emitting smokeFactory with smokestack emitting smoke

    Pollution

California sea lions are harmed by marine debris and sewage discharge. Fishing gear and plastic waste discarded in the ocean can entangle these animals. Pollutants in agricultural runoff and urban sewage can also poison their food sources and habitat.

Conservation

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Support Mission R to protect animals & plants!

Saving Species & Habitats

Learn More
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Plastic Challenge

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Come and see our animals and plants

Two sea lions with open mouths on rocks.Two sea lions with open mouths on rocks.

Pacific Pier

Marine World | Summit
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Dolphin Explorations

Marine World | Summit

Fun Activities

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Get Closer to the Animals

Sea Lion and Seal Expedition

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Get Closer to the Animals

Sea Lion Feeding

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Get Closer to the Animals

Meet the Sea Lion

Two Ocean Park staff members feeding sea lions in a rocky enclosure.

Animal Programme

Learn More

Four performers and a sea lion on stage, saluting with an Ocean Park Hong Kong sign behind them. The sea lion is smiling.Four performers and a sea lion on stage, saluting with an Ocean Park Hong Kong sign behind them. The sea lion is smiling.

Stage Programme

Learn More

Explore more animals & plants

A shark with a white-tipped dorsal fin swims forward in dark water with other sharks and coral.

Fish

Whitetip Reef Sharks

Turtle with patterned shell in shallow water on a rock.

Reptiles

Big-headed Turtle

Walrus with long tusks and whiskers lying on a rocky surface.

Mammals

Pacific Walrus

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ACCREDITED BY THE ASSOCIATION OF ZOOS & AQUARIUMSACCREDITED BY THE ASSOCIATION OF ZOOS & AQUARIUMS
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Ocean Park Corporation is a charitable institution registered with Inland Revenue Department, Hong Kong (File No: 91/2801).

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