The aquarium features more than 85,000 gallons (321,800 l) of saltwater with marine life from around the world. Walk through the 22,000-gallon (83,280 l) tunnel to experience a panoramic view of reef life. Many animals found at the top of the food chain can be seen in the Predators exhibit. Ten 2,000-gallon (7,571 l) displays present marine life from around the world - Palau, Southern Australia, Lord Howe Island, Solomon Islands, Fiji, Bahamas, British Columbia, Sri Lanka, Indonesia and Japan. Representing the waters of four continents, three oceans and various seas, the aquarium gives a glimpse of the underwater world. The South Africa outdoor, lagoon-like exhibit represents both plants and animals from the southern tip of the African continent. The Orinoco - Secrets of the River rainforest exhibit represents the relatively unknown South American Orinoco River basin.