Explore is a philanthropic media organization

coral reef

It’s a Rock, It’s a Plant… It’s a Coral!

It’s easy to do – you’re swimming along in a coral reef and you come across a big soft (Gorgonian) coral and you think to yourself, “what a nice little tree!” and around the next bend you see a large stony (Scleractinian) coral and say (making lots of bubbles) “my, what a big boulder!” Both

Deep Thoughts

Ken Kurtis, a diver in the Shark Lagoon at the Aquarium of the Pacific, answers a few of our viewers’ questions: The overall depth of the exhibit is about 8 feet. The divers you see inside are usually cleaning the repli-coral (which gets an algae growth on it because of the sunlight exposure) or moving