Search results
Results From The WOW.Com Content Network
[50] [51] [52] Some species of sturgeon are extinct, and several are on the verge of extinction, including the Chinese sturgeon, [53] the highly prized beluga sturgeon, [54] and the Alabama sturgeon. [55] Many species are classified as threatened or endangered, with noticeable declines in sturgeon populations as the demand for caviar increases.
العربية; Aragonés; Azərbaycanca; Беларуская; Български; Català; Чӑвашла; Cebuano; Čeština; Cymraeg; Dansk; Español; Esperanto ...
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.
Scaphirhynchus is a genus of sturgeons native to North America. All species in this genus are considered to be threatened with extinction or worse. [2] [3] [4] As of 2023, the pallid sturgeon (S. albus) [3] and the Alabama sturgeon (S. suttkusi) [4] are critically endangered according to the International Union for Conservation of Nature.
Dabry's sturgeon (Acipenser dabryanus), also known as the Yangtze sturgeon, Changjiang sturgeon and river sturgeon, is a species of fish in the sturgeon family, Acipenseridae. [5] It is endemic to China and today restricted to the Yangtze River basin, [ 1 ] but was also recorded from the Yellow River basin in the past.
The Siberian sturgeon (Acipenser baerii) is a species of sturgeon in the family Acipenseridae.It is most present in all of the major Siberian river basins that drain northward into the Kara, Laptev and East Siberian Seas, including the Ob, Yenisei (which drains Lake Baikal via the Angara River) Lena, and Kolyma Rivers.
White sturgeon (Acipenser transmontanus) is a species of sturgeon in the family Acipenseridae of the order Acipenseriformes. They are an anadromous (migratory) fish species ranging in the Eastern Pacific; from the Gulf of Alaska to Monterey, California .
Sturgeon are comparatively basal species of fish, whose earliest fossils date back to the Cretaceous period. [5] They are best-known members of the bony fish taxon Chondrostei, a group of bony fishes that have cartilaginous skeletons superficially similar to the skeletons seen in the unrelated chondrichthyan fishes.