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Traditionally, the term caviar refers only to roe from wild sturgeon in the Caspian Sea and Black Sea [2] (beluga, ossetra and sevruga caviars). The term caviar can also describe the roe of other species of sturgeon or other fish such as paddlefish , salmon , steelhead , trout , lumpfish , whitefish , [ 3 ] or carp .
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]
Salmon roe (left) and sturgeon roe (right) Swedish Toast Skagen topped with cold-smoked salmon roe, on bread Look up roe in Wiktionary, the free dictionary. Roe , ( / r oʊ / ⓘ ROH ) or hard roe , is the fully ripe internal egg masses in the ovaries , or the released external egg masses, of fish and certain marine animals such as shrimp ...
The beluga sturgeon can take up to 20 years to reach maturity. The fish harvested for caviar are often nearly 900 kg (2,000 lb). The eggs themselves are the largest of the commonly used roes, and range in color from dark gray (almost black) to light gray, with the lighter colors coming from older fish, and being the most valued.
The shovelnose sturgeon (Scaphirhynchus platorynchus) [5] is the smallest species of freshwater sturgeon native to North America. It is often called hackleback , sand sturgeon , or switchtail . Switchtail refers to the long filament found on the upper lobe of the caudal fin (often broken off as adults).
The beluga (/ b ə ˈ l uː ɡ ə /), also known as the beluga sturgeon or great sturgeon (Huso huso), is a species of anadromous fish in the sturgeon family (Acipenseridae) of the order Acipenseriformes. It is found primarily in the Caspian and Black Sea basins, and formerly in the Adriatic Sea.
The Scottish First Minister was spoken to by police after being filmed campaigning inside without a face covering for a ‘few seconds’.
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.