Lisbon Oceanarium Introduction: The Lisbon Oceanarium (Oceanário de Lisboa) is one of the largest marine life aquariums in Europe. The main aquarium is built on the beautiful Tejo River. From a distance, its roofs look like numerous The ship's mast and the four auxiliary pavilions in the southeast, northwest and southeast represent the Pacific, Atlantic, Indian and Antarctic oceans. There are more than 200 species of fish living in the huge water tank in the aquarium, including typical coral reefs in the Indian Ocean and a large number of tropical fish. There are Pacific rocky coasts with seagrass and otters, Antarctic cold scenery and large groups of penguins, and a large number of fish and marine organisms on the Pacific coast.