Russian sturgeon can not mature and reproduce quickly, making them highly vulnerable to fishing.

The countries agreed in 2001 to protect the beluga, stellate and Russian sturgeon, which provide nearly all the world's caviar.

At one time the term "ossetra" simply referred to Russian sturgeon species harvested for this type of caviar.

Isinglass is a film known for its adhesive strength made by soaking and then cooking a dried Russian sturgeon bladder at low temperature.

Mr. Sobol said his establishment was thinking of working with Russian sturgeon farms to avoid more declines of the natural stock.

Acipenser gueldenstaedtii (Russian sturgeon)

Acipenser guldenstadti (Caspian or Russian sturgeon)

On a price-quality ratio, the best buy in fresh Russian sturgeon caviar is osetra, usually the tastiest of the big three Caspian Sea varieties.

For example, the Russian sturgeons were given a few respites in the 20th century when during revolution and world war people were too busy slaughtering one another to slaughter fish.

The Russian sturgeon (Acipenser gueldenstaedtii), also known as the diamond sturgeon or Danube sturgeon, is a species of fish in the Acipenseridae family.

Some Caviar Bargains Eli Zabar has started selling imported Russian sturgeon caviar with the Vinegar Factory label at the store, 431 East 91st Street.

D1 Caviar Smuggling Charged Federal officials announced the indictment of three men accused of smuggling thousands of pounds of Russian sturgeon roe from Poland.

The three most sought sturgeon species - beluga, stellate sturgeon and Russian sturgeon - are all on the fund's list of animals that face a "very high risk of extinction in the wild in the near future."

The distributors, based in Stamford, Conn., were charged in Federal District Court in Brooklyn with illegally smuggling thousands of pounds of Russian sturgeon roe into the United States from Poland.

Whether Persian rugs are better than those from, say, India or Pakistan may be debatable, just as it is debatable whether caviar from Iranian sturgeons is better than that from Russian sturgeons.

At Caviar Petrossian, based in Paris, which sells only Russian sturgeon caviar with an exclusive contract to purchase directly from the Soviet Union, supplies are expected to be normal, according to Christian Petrossian, the company's president.

The stellate sturgeon produces the small-grain sevruga caviar, and the Russian sturgeon is the source of osetra caviar, which is usually the tastiest and has been selling for about $15 an ounce at specialty markets in Manhattan.

The New York region is a center of international efforts to control the depletion not only of Russian sturgeon, which have long been overharvested, but also of paddlefish and shovelnose sturgeon, which are native to the United States.

In the sea lives more than 70 species of various fishes among them great sturgeon, Russian sturgeon, starred sturgeon, Azov turbot, haarder, mullets, kilka, anchovy, sea roach, shemaya, various species of gobies.

Two of the charges yesterday asserted that in the United States, Mr. Panchernikov sold one type of Russian caviar, osetra, and falsely labeled it beluga caviar, a type from a different species of Russian sturgeon that is often twice as expensive.

The Russian sturgeon (Acipenser gueldenstaedtii), also known as the diamond sturgeon or Danube sturgeon, is a species of fish in the Acipenseridae family.

The Russian sturgeon (Acipenser gueldenstaedtii), also known as the diamond sturgeon or Danube sturgeon, is a species of fish in the Acipenseridae family.

The country's new freedom has also brought swarms of prostitutes, black-market money-changers and hawkers of Danube sturgeon caviar to the elevators and floors of hotels like the 22-story Inter-Continental, the sprawling Bucuresti and other older hotels.

Three types of sturgeon are represented, only one a true Caspian osetra (Acipenser gueldenstaedtii).

Israel is currently a leader in the production of Russian Ossetra Caviar Acipenser gueldenstaedtii.

Because it can adapt to a wider range of habitats, it is easily grown on the farms and begins to produce caviar faster than Acipenser gueldenstaedtii.

The name Osetra corresponds to the species Acipenser gueldenstaedtii which is much smaller than the Beluga sturgeon (Huso huso).

The Russian sturgeon (Acipenser gueldenstaedtii), also known as the diamond sturgeon or Danube sturgeon, is a species of fish in the Acipenseridae family.