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

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

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The Academy is open for members only every Tuesday from 8:30-9:30 am and Sunday from 10-11 am. Learn about our African penguin colony from an Academy biologist during this member program. Sundays, ...

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 ...

The Philippine Coral Reef, the gateway to our larger Coral Reefs of the World exhibit, highlights waters known as the center of marine biodiversity—an area of unbelievable beauty and importance. From ...

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 ...

A colorful, multi-sensory exhibition at the California Academy of Sciences reveals the surprising ways California nature connects people, places, and species—and how we can keep it thriving.

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 ...

Based at the Academy in San Francisco, the Institute for Biodiversity Science and Sustainability (IBSS) is at the forefront of efforts to regenerate the natural world through science, learning, and ...