Montreal Aquarium

French  Aquarium De Montréal,   municipally owned aquarium located on St.-Helen's Island, Montreal, Can. It was built in 1966 for Expo 67, an international exhibition that was held in the city. The aquarium complex consists of two large buildings, one of which contains exhibits of marine and freshwater fishes and invertebrates. The other building is exclusively for marine mammals. The aquarium's fish collection