"Among the 22,000 marine animals that call the Shedd Aquarium home is an Australian lungfish that arrived in 1933 for the World's Fair that year."
http://edition.cnn.com/2005/TRAVEL/DESTINATIONS/05/31/aquarium.birthday.ap/index.html
http://edition.cnn.com/2005/TRAVEL/DESTINATIONS/05/31/aquarium.birthday.ap/index.html