The Lisbon Oceanarium is one of the largest aquariums in the world, located in Lisbon, Portugal. Opened in 1998, it features a vast central tank that houses a variety of marine species, including sharks, rays, and colorful fish. The facility is designed to educate visitors about ocean ecosystems and the importance of marine conservation. Visitors can explore different habitats, such as the Atlantic, Pacific, Indian, and Arctic oceans, through various exhibits. The Oceanarium is home to over 15,000 marine animals and plants, making it a popular destination for families and tourists interested in marine life and environmental awareness.