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 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 ...

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, ...

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 ...

A returning favorite from the original Steinhart Aquarium, the Swamp is best known as the home of Claude, the startlingly white Alligator mississippiensis that's become one of the Academy's ...

Whether you’re hunting for the perfect gift for loved ones or just want to treat yourself, sip on a cocktail and shop your heart away at our merry marketplace. Support small businesses and find one-of ...

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Focus: Food, water, and energy systems; ocean health; human impacts on Earth's systems (ESS3.C); engineering solutions (ETS1.A-C) Flipside Science features media-rich units perfect for educators ...

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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 ...

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