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Look into a mysterious, mesmerizing world where life looms large.

You'll see giant bluefin tuna power their way through the water, while hammerhead sharks, pelagic rays and giant green sea turtles swim just inches away.

The stunning one-million-gallon Open Sea exhibit is home to one of the most diverse communities of open-ocean animals to be found in any aquarium.

Don't Miss

Now Playing: Our New Live Coral Reef Cam

Take a quick break in the tropics! Our new Coral Reef Cam, coming to you live from our ¡Viva Baja! Life on the Edge special exhibition, lets you watch colorful fishes as they dart, dash and dilly-dally around.

Meet Our Sleek New Swimmers!

Six new dolphinfish, or mahi mahi, were recently added to our Open Sea exhibit! These acrobatic fish zip around in quick bursts and flash golden green streaks when they get excited. Dolphinfish also grow large—up to 6.5 feet long—quickly (see green sea turtle for scale)!

Building a Future for the Ocean

With your help, we can expand our education programs through our new Center for Ocean Education and Leadership. Please join us in inspiring a new generation of ocean leaders.

Revealing Tuna Secrets

Our Tuna Research and Conservation Center, a partnership with Stanford University, is achieving unprecedented insight into the lives of bluefin tuna. 

View Our Open Sea Curriculum

Our standards-based curriculum has been developed to provide educators with easy-to-use, Aquarium-centered science activities for the classroom.