Since it?s opening in 1984, Monterey Bay Aquarium is consistenly rated as one of the top aquariums in the US. The Monterey Bay Aquarium was developed with a mission to inspire ocean conservation. The aquarium features over 200 galleries and exhibits with a focus on marine life in and around Monterey Bay, including the world?s largest jellyfish exhibit. Monterey Bay Aquarium showcases more than 35,000 animals and plants and over 550 species of fish.