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Several species of sturgeon are harvested for their roe which is processed into caviar—a delicacy, and the reason why caviar-producing sturgeons are among the most valuable and endangered of all wildlife resources. [43] During the 19th century, the US was the global leader in caviar production, having cornered 90% of the world's caviar trade ...
The European sea sturgeon (Acipenser sturio), also known as the Atlantic sturgeon or common sturgeon, is a species of sturgeon native to Europe. It was formerly abundant, being found in coastal habitats all over Europe. [5] Most specifically, they reach the Black and Baltic Sea. [6] It is anadromous and breeds in rivers.
The Russian sturgeon (Acipenser gueldenstaedtii), also known as the diamond sturgeon or Danube sturgeon, is a species of fish in the family Acipenseridae. It is found in Azerbaijan, Bulgaria, Georgia, Iran, Kazakhstan, Romania, Russia, Turkey, Turkmenistan, and Ukraine. It is also found in the Caspian Sea. This fish can grow up to about 235 cm ...
Sturgeons are quite a durable species and can survive some of the most altered and polluted rivers in the world. [15] Historically, beluga sturgeon were found in the Caspian Sea, Black Sea, Adriatic Sea, Sea of Azov, and all rivers interconnecting these waterways. Unfortunately, this range has been greatly reduced in modern times to the Caspian ...
Atlantic sturgeon under six years of age stay in the brackish water where they were born before moving into the ocean. They may be 3–5 ft (0.91–1.52 m) long at this stage. In areas where shortnose sturgeon are also present, the adults of that species can be, and historically were for centuries, confused with immature Atlantic sturgeon. When ...
Sturgeon are an anadromous species that live solitarily or in small groups. They migrate upriver in the spring to spawn. Sturgeons tend to inhabit the shallow waters of coastal shelves, coastal and estuarine areas on soft bottom in the sea, and can live down to a depth of 160 ft (49 m).
Jul. 17—A milestone in the restoration of the Genesee River has been reached following the collection of a spawning female lake sturgeon in the lower Genesee River for the first time in more ...
The kaluga (Huso dauricus), also known as the river beluga, is a large predatory sturgeon found in the Amur River basin from Russia to China and near Hokkaido in Japan. [1] With a maximum size of at least 1,000 kg (2,205 lb) and 5.6 m (18 ft), the kaluga is one of the biggest of the sturgeon family.