Enter the world of a tropical coral reef The ocean hall displays a 1,500-gallon aquarium featuring a live reef modeled from an Indo-Pacific coral reef ecosystem. The organisms inhabiting the aquarium were grown in captivity or collected in a sustainable manner. The diversity of coral reefs in the wild has been threatened by the indiscriminate harvesting of organisms for the aquarium industry. Many new efforts are underway to tightly and sustainably regulate this trade. The model coral reef will introduce you to the rich diversity of life that exists in coral reefs.