Steinhart Aquarium is 100! Enjoy pay-what-you-can admission today, while supplies last. Advance purchase recommended.
Steinhart Aquarium
From the canopy of our butterfly-filled, four-story rainforest to the bioluminescent depths of the little-known "twilight zone," explore the world's most vibrant, vital ecosystems from the heart of San Francisco.
Celebrate Steinhart Aquarium's centennial with pay-what-you-can admission on September 29!
Steinhart Aquarium is one of the most biologically diverse and interactive aquariums on Earth. Home to nearly 60,000 live animals, representing more than 1,000 unique species, it offers guests an unprecedented view of underwater and terrestrial habitats. From species displayed nowhere else in the world to exhibits about cutting-edge research in little-known ocean ecosystems, a visit to Steinhart Aquarium is full of discovery.
Since 1923, Steinhart Aquarium has developed a colorful history of firsts. From becoming the first public aquarium to display flashlight fish and coconut octopuses to advancing exploration of the ocean’s mysterious “twilight zone,” innovation and scientific excellence are in our DNA.
Today, Steinhart continues to shape the role that modern aquariums play in educating and inspiring the public about the biodiversity and sustainability of our oceans and rainforests.
It's o-fish-ial!
Methuselah, the Academy's beloved Australian lungfish, is officially the world's oldest aquarium fish! New DNA analysis estimates Methuselah's age to be 92 years old (± 9 years). We're thrilled to confirm this critical part of her life story—and proud to contribute vital data toward conservation efforts for her species.
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Exhibits that inspire
From our Venom: Fangs, Stingers, and Spines exhibit with over a dozen species that bite, stun, and sting, to our charismatic colony of endangered African penguins, Steinhart Aquarium captivates visitors of all ages.
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Hope for Reefs
The Academy’s bold initiative to research and restore critical coral reef ecosystems focuses on solutions to sustaining these “rainforests of the sea” for future generations.
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Animal care and well-being
Caring for nearly 60,000 live animals goes far beyond daily feedings and regular check-ups. Enrichment programs developed by aquarium biologists ensure that animal residents remain happy, healthy, and engaged.
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Species Survival Plan programs
Steinhart biologists participate in a variety of breeding programs aimed at conserving species and maintaining genetic diversity in zoo and aquarium populations, including African penguins, frogs, cuttlefish, and corals.
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Scientific diving
From performing daily dive shows and keeping aquarium tanks pristine to conducting underwater research in ocean depths around the world, the Academy’s scientific diving program is making waves.
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Osher Rainforest is closed for infrastructure maintenance through November 17. We regret any inconvenience.
Descend into the twilight zone, where sunlight is scarce and every dive yields surprising discoveries.
Watch reef fish dart through colorful forests of coral while giant rays sail gracefully under your feet.
Get a glimpse of the richness right off our coast and gaze at rockfish, eels, anemones, sharks, and more.
African penguins establish strong pair bonds and use complex forms of communication in their social groups.
Explore a Southeastern swamp habitat, home to snapping turtles and our beloved alligator with albinism, Claude.
Discover how animals have evolved fascinating methods of living in and out of water.