National Aquarium – Atlantic Coral Reef


Broadcasting from the National Aquarium

Quick Facts about Jellies

Be mesmerized by the alien world of jellies—from the largest-known species with over 100 tentacles that can stretch nearly 98 feet long, to jellies whose flower-like tentacles pulse upside down—and discover how these oddly beautiful creatures are indicators of ocean health.


View the Jellies Invasion Exhibit


You can touch a jelly in the Living Seashore exhibit!

A note from the caretaker...


Jellies live in every ocean, thrive in both coastal and open waters, and even live in fresh water. We tend to only notice them when they’re at the surface, but just because you don’t see them, doesn’t mean they’re not below.

Blue Blubber Spotlight

Blue Blubbler

The blue blubber jelly actually ranges in color from white to light blue to dark purple. Its bell pulses in a distinctive, staccato-like rhythm.

Learn more about jellies

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Quick Facts about Blacktip Reef

Species: More than 70
Total animals: More than 600
Pieces of artificial coral: 3,000
Gallons of water: 260,000

Discover a surprising array of life thriving in the clear blue waters of the south Pacific’s Great Barrier Reef. Cruising sharks and gliding sea turtles swim among colorful schools of fish living on the vibrant, yet delicate, reef.


View the Blacktip Reef Exhibit


Tune in daily from 3:15 pm to 3:35 pm for live diver talks from Blacktip Reef!

A note from the caretaker...


One of the Aquarium's zebra sharks, Zeke, is trained to respond to a red triangle. When he sees the red triangle, he touches it to receive food.

Can you spot Calypso?


Look for Calypso, a nearly 500 pound green sea turtle and star of Blacktip Reef Cam, as she munches on lettuce at 9 am and 2 pm.

Learn more about Calypso

Quick Facts about Pacific Coral Reef

Gallons of water: 6,400
Species: Over 40

Journey from the Atlantic sea cliffs—home to playful puffins and the only black guillemots on display in the country—to an undersea kelp forest, to a brilliant Pacific reef.


View the Atlantic to Pacific Exhibit


Did you know that coral reefs grow less than one centimeter per year?

A note from the caretaker...

Pacific Coral Reef - close up view

Coral reefs take up less than 0.5% of the ocean floor, but they provide important habitat for 25% of all marine species on the planet.

Can you spot the Percula Clownfish?


Clownfish bring food to anemones in exchange for protection. They can be found in coral reefs in Australia, Indonesia, Singapore and the Solomon Islands.

Learn more about Clownfish