John G. Shedd Aquarium

John G. Shedd Aquarium is a major public aquarium located on the shore of Lake Michigan in Chicago, Illinois. Opened in 1930, it was a gift to the city from philanthropist John G. Shedd, former president of Marshall Field & Company. The aquarium is one of the most visited cultural institutions in Chicago and is an accredited member of the Association of Zoos and Aquariums.

History

The aquarium was conceived by John G. Shedd shortly before his death in 1926, with the project carried forward by his widow, Mary R. Shedd. Designed by the architectural firm Graham, Anderson, Probst and White, the building's construction began in 1927. When it opened on May 30, 1930, it was hailed as the world's largest indoor aquarium, featuring innovative life-support systems that used both fresh Lake Michigan water and artificial seawater. A major early expansion was the addition of the first permanent saltwater exhibits in a landlocked city in 1931, facilitated by a custom railroad tank car that transported seawater from the Gulf of Mexico. Throughout the 20th century, it underwent significant renovations, including the 1991 opening of the Oceanarium, a large marine mammal pavilion, and the 2003 opening of the Wild Reef exhibit, which focuses on Philippine coral reefs.

Exhibits and habitats

The aquarium's exhibits are organized into several permanent galleries. The Abbott Oceanarium is one of the largest indoor marine mammal facilities in the world, housing Pacific white-sided dolphins, beluga whales, and sea otters in habitats that simulate the Pacific Northwest. The Wild Reef exhibit features a 400,000-gallon shark habitat with species like sand tiger sharks and is built around a replicated Philippine coral reef ecosystem. The Waters of the World galleries present a global tour of freshwater and saltwater environments, from the Amazon River to Caribbean coral reefs. Other key habitats include the Polar Play Zone for younger visitors and the historic Caribbean Reef exhibit, a 90,000-gallon circular tank.

Conservation and research

The aquarium maintains an active commitment to conservation science and field research through its Daniel P. Haerther Center for Conservation and Research. Its scientists and veterinarians conduct work on topics such as aquatic animal health, sustainable fisheries, and coral reef restoration. The institution is a founding partner in the Project Seahorse network and participates in the Association of Zoos and Aquariums' Species Survival Plans for endangered species like the sea otter and beluga whale. Educational outreach includes the Shedd Aquarium Action Days program, which mobilizes public volunteers for local habitat restoration projects along Lake Michigan and the Chicago River.

Architecture and facilities

The original building is a Beaux-Arts structure faced with Indiana limestone, designed to harmonize with other institutions on Chicago's Museum Campus, such as the Field Museum of Natural History and the Adler Planetarium. Its centerpiece is the grand rotunda, capped by a green-tiled dome. Major architectural additions include the modernist Abbott Oceanarium, which extends toward Lake Michigan, and the underground Wild Reef exhibit. The facility operates one of the world's largest animal health and research centers for aquatic species, with state-of-the-art life support systems and veterinary hospitals.

Notable specimens and programs

Historically, the aquarium was home to a Pacific white-sided dolphin named Nemo, who was rescued in 1989 and lived at the institution for over 16 years. Its current animal collection includes a breeding group of beluga whales and a rescued green sea turtle named Nickel. The aquarium gained national attention in 2020 with its "#SheddTheStraw" campaign to reduce single-use plastics. Its animal presentation programs, such as the aquatic show in the Abbott Oceanarium and diver interactions in the Caribbean Reef, are central to its mission of connecting visitors with aquatic life.

Category:Aquaria in Illinois Category:Buildings and structures in Chicago Category:Tourist attractions in Chicago