We lost our dear Claude a week ago, and there are still no words. Luckily, there are plenty of pictures. Enjoy.

SAN FRANCISCO, CA (December 16, 2025) — Researchers at the California Academy of Sciences recently traveled to Guam to retrieve valuable data collected over nearly a decade in deep coral reefs (>330 ...

Learn about our charismatic African penguin colony from an Academy biologist. Daily, 10:30 a.m. and 3 p.m. Watch as a diver plunges into one of the world's deepest living coral reef tanks. Daily, ...

This is a recurring event. Check the daily calendar for more schedule information.

Our programs are open to all K-8 students wherever they are set up to engage in learning during the school day. Each webinar is a lesson taught by professional educators, which is broadcast for free ...

Fricke, R., Eschmeyer, W. N. & R. van der Laan (eds) 2025. ESCHMEYER'S CATALOG OF FISHES: GENERA, SPECIES, REFERENCES.(http://researcharchive.calacademy.org/research ...

Nearly a decade of data collected from dives to 300+ ft. help inform global conservation efforts for deep reefs.

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SAN FRANCISCO, CA (August 11, 2025) — The California Academy of Sciences is gearing up to celebrate one of our most iconic residents: Claude, the beloved albino alligator, who turns 30 on September 15 ...

SAN FRANCISCO, CA (December 19, 2024) — Researchers at the California Academy of Sciences described 138 new animal, plant, and fungi species in 2024, enriching our understanding of Earth’s ...

SAN FRANCISCO, CA (December 2, 2025) — It is with a heavy heart that we share the news that Claude, our beloved albino alligator, has passed away at the age of 30. Claude was an iconic California ...