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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.
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 schrenckii J. F. Brandt, 1869 (Japanese sturgeon) Acipenser sinensis J. E. Gray, 1835 (Chinese sturgeon)
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.
Fossil of the †chondrosteid †Strongylosteus hindenburgi, Tübingen Fossil of the †peipiaosteid †Yanosteus longidorsalis, MHNT The living polyodontid Polyodon spathula (American paddlefish) The living acipenserid Acipenser ruthenus (sterlet) The living acipenserid Pseudoscaphirhynchus kaufmanni (false shovelnose sturgeon)
Sterlet (Acipenser ruthenus) Russian sturgeon (Acipenser gueldenstaedtii) (Ex) Bastard sturgeon (Acipenser nudiventris) (Ex) Starry sturgeon (Acipenser stellatus) (Ex)
A rare type of caviar known as Imperial Caviar, from the Sterlet sturgeon (Acipenser ruthenus), a now nearly extinct species of sturgeon from the Caspian Sea, [3] is sometimes incorrectly labeled as Sevruga, as well as the even rarer Golden Caviar from the albino Sterlet, the caviar being yellow in color.
Acipenser gueldenstaedtii — Russian sturgeon; Acipenser mikadoi — Sakhalin sturgeon; Acipenser nudiventris — Fringebarbel sturgeon; Acipenser persicus — Persian sturgeon; Acipenser ruthenus — Sterlet; Acipenser schrenckii — Japanese sturgeon; Acipenser stellatus — Starry sturgeon; Acipenser sturio — European sea sturgeon; Huso
Acipenser gueldenstaedti: Russian sturgeon Rysk stör: brackish water Introduced; not established Not evaluated Acipenseridae Acipenser ruthenus: Sterlet Sterlett: Fresh water, brackish water Introduced, not established Not evaluated Acipenseridae Acipenser oxyrinchus: N/A Stör: Fresh, marine and brackish water Sporadic, previously native and ...