The Aquarium of Discovery, a Voyage of Fun. From piranhas to pufferfish, crabs to turtles the Oceanarium is home to some of the planets most amazing animals. Crystal-clear waters and naturally-themed habitats allow close encounters with a dazzling array of underwater life from elegant seahorses to sinister tropical sharks. Journey below the surface of the worlds greatest rivers; the Amazon, Ganges and the Nile and meet weird and wonderful creatures like the upside-down catfish and the giant pacu. Other displays feature the ocean depths, the Mediterranean, Hawaii and even a Caribbean seashore - home to curious cow-nosed rays and vibrant parrotfish! A giant 350,000 litre ocean tank recreates the fragile beauty of Australias Great Barrier Reef and the hundreds of colourful creatures that call it home.The display is also patrolled by groups of tropical sharks, stingrays, eels and even a pair of friendly green turtles.Visitors enjoy a birds eye view of this reef from the safety of a wooden boardwalk before coming face to face with the worlds oldest and greatest natural predators, the sharks, inside an amazing underwater tunnel.