Aquarium of the Pacific | Online Learning Center | Red Sea Urchin

Aquatic

| Echinoderms | Invertebrates |

Red Sea Urchin

Strongylocentrotus franciscanus

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  • Aquarium of the PAcific
  • resd sea urchin in the Aquarium's abalone exhibit

Sea urchins belong to a group of marine invertebrates called echinoderms which means spiny-skinned animals. They are related to sea stars, sea cucumbers, and sand dollars. Like their relatives, sea urchins do not have a brain or heart.

Facts and FeaturesFull Description >>

Geographic Distribution

Alaska to Baja California, Mexico

Amazing Facts

Southern California red sea urchins can live to be about 50 years old whereas those in British Columbia, Canada can reach more than 100 years.

At the Aquarium