Caviar off their coasts. Beluga caviar is prized for its soft, extremely large (pea-size) eggs. It can range in color from pale silver-gray to black. It is followed by the small golden sterlet caviar which is rare and was once reserved for Russian, Iranian and Austrian royalty. Next in quality is the medium-sized, light brown to rich brown Ossetra, also known as Russian caviar. Others in the quality ranking are the gray sevruga caviar, the Chinese Kaluga caviar, and the American osetra. The Siberian variety with black beads is similar to sevruga and is popular because of its reduced (5 years)
Great Lakes Aquarium was designed after a cove in Pukaskwa National Park in Ontario. Directly to the left is an exhibit containing a crow named Freeway. Amazing Amazon opened in the summer of 2008. It features freshwater creatures from the largest river in the world. This includes Pacu, Arowana, Piranha, Catfish, Electric Eels, Discus. Opened in 2016, Unsalted Seas explores large lakes of the world and the animals that call them home. The exhibit features the largest sturgeon touchtank in North America with a primary focus on sturgeon from Russian and North Asian waters. Several species of those sturgeon including Beluga, Sevruga, Sterlet