Search results
Results from the WOW.Com Content Network
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 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 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]
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]
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 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 piscivorous diet of beluga sturgeon tends to change with age: in the Caspian Sea, it mainly consists of Clupeonella sp. for juveniles smaller than 40 cm, different species of Gobiidae for fish ranging between 40 and 280 cm and then mullets, Alosa sp. and other sturgeons for the largest. [21] An adult H. huso eating a small sturgeon
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 .