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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.
Globally, sturgeon fisheries are of great value, primarily as a source for caviar, but also for flesh. [42] 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]
The European sea sturgeon (Acipenser sturio) The European sea sturgeon (Acipenser sturio), also known as the Atlantic sturgeon or common sturgeon, is now a Critically Endangered species (IUCN) status. [27] This species of sturgeon can reach a length of 6 m (20 ft), weigh up to 400 kg (880 lb) and reach an age of 100 years. [28]
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.
Preventive efforts include not eating reef fish, not eating high-risk fish such as barracuda, and not eating fish liver, roe, or fish heads. [2] Ciguatoxin has no taste or smell, and cannot be destroyed by conventional cooking. [2] There is no specific treatment for ciguatera fish poisoning once it occurs. [2]
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
The liver may be pale, mottled with red hyperemic areas, the kidney may be swollen and unusually red, the spleen may be swollen, and the digestive tract may be empty. [ 21 ] External signs are not always present, but if they are, hemorrhaging on the skin's surface can appear as anywhere from tiny red dots (petechiae) to large red patches.
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.