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Acipenser is a genus of sturgeons.With 17 living species (others are only known from fossil remains), it is the largest genus in the order Acipenseriformes.The genus is paraphyletic, containing all sturgeons that do not belong to Huso, Scaphirhynchus, or Pseudoscaphirhynchus, with many species more closely related to the other three genera than they are to other species of Acipenser.
Acipenser atlanticus Rafinesque 1820 corrig. 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 .
Acipenser nudiventris Lovetsky, 1828 (Fringebarbel sturgeon) †Acipenser ornatus Leidy 1873; Acipenser oxyrinchus Mitchill, 1815. Acipenser oxyrinchus desotoi Vladykov, 1955 (Gulf sturgeon) Acipenser oxyrinchus oxyrinchus Mitchill, 1815 (Atlantic sturgeon) Acipenser persicus Borodin, 1897 (Persian sturgeon) Acipenser ruthenus Linnaeus, 1758
Acipenser sturionaster Brusina 1902 The Adriatic sturgeon ( Acipenser naccarii ) is a species of fish in the family Acipenseridae . It is native to the Adriatic Sea and large rivers which flow in it of Albania , Greece , Italy , Montenegro , Croatia , Bosnia and Herzegovina and Slovenia .
A study published in 2020 reported a successful hybridization between a Russian sturgeon (Acipenser gueldenstaedtii) and an American paddlefish (Polyodon spathula), indicating that the two species can breed with one another despite their lineages having been separated for hundreds of millions of years.
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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.
The sterlet (Acipenser ruthenus in Linnaeus' classification) is the last of the five native sturgeon species inhabiting the Middle and Upper Danube River. Its population has dropped significantly, mainly due to the degradation of main habitats, spawning grounds and foraging grounds.