Ossetra genitive case form "осетра" (osetra, 'of sturgeon') of the Russian word "осётр" (osyotr 'sturgeon') from the phrase "икра осетра" (ikra osetra, 'caviar of sturgeon'). At one time, the term "ossetra" simply referred to Russian sturgeon species harvested for this type of caviar. In Russian, there are different names for the species of sturgeon that live in various territories such as "Beluga" ("Huso huso"), Sevruga ("Acipenser stellatus") and Sterlet ("Acipenser ruthenus"). The name Ossetra corresponds to the species "Acipenser gueldenstaedtii", which is much smaller than Beluga sturgeon ("Huso huso"), and has a firmer texture. In the territory of the Russian Federation
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