Ornamental fish culturing technology is believed to be cash flow in Indian and other countries. Many countries were collect coral reef fish for aquariums. Likewise, Chicago opened the Shed Aquarium. A permanent marine fish collection was housed at the aquarium, making it the first such facility in the country. Seawater and fish may be transported by train from Florida to Chicago. A marine aquarium may have been developed in Europe early in the 1800s by French biologist Felix Dujardin. A new industry originated when global air freight became an alternative to international trade in the 1950s. Aquaria that house merely fish have been phased out in favor of aquariums that hold coral reefs over the past decade. The global market today has more than 50 countries exporting and importing goods.