Information and types of sturgeon

Types of sturgeon or caviar fish is one of the biggest fish in the Caspian Sea and is several million years old and dates back to the Jurassic Age, so sturgeon are called living fossils.

these are some information:

Caviar fish has 27 species and subspecies which 6 of the most important ones live in the Caspian Sea.

The value of sturgeon is through their meat and, more importantly, their caviar spawn.

Caspian Sea accounts for 93% of the world’s sturgeon and caviar.

The 5 most important species of sturgeon (caviar fish) are:

1 Beluga

2 Ghara boron (Persian sturgeon)

3 Acipencer gueldenstaedtii (Golden sturgeon)

4 Bastard sturgeon

5 starry sturgeon



It is the largest fish in Iran’s inland waters and has the best caviar.

Its weighs about 1,000 kilograms and is about 100 years old.

It matures at the age of 14 to 17 and spawns every two or three years.

This fish has the best ranked caviar (Beluga caviar).

Depending on the size of the caviar spawn, if it is larger than 2.5 mm, it is called Imperial or Royal Beluga.

Ghara boron:

It is an independent species of caviar that ranks second in terms of quality.

This fish weighs about 60 to 150 kg and reaches the age of 12 to 14 and is about 1 to 2 meters long.

This type of fish is known as its Russian subspecies.

Acipencer gueldenstaedtii:

You can find this kind of fish all over the Caspian Sea and people know its caviar as golden caviar and ranks third in terms of value. It matures at the age of 12 to 16 years.

It is about 1 to 2 meters long and weighs about 80 kilograms.

Bastard sturgeon:

It is usually a migrant fish that comes to the shores of Iran for spawning.

and It has a lifespan of about 30 years and It is lightweight and has fewer spawns and is in the fourth value rank of caviar.


starry sturgeon:

It is the smallest caviar fish that is fertilized at the age of 8 to 12 and It has about one-meter length and is the lightest type of sturgeon and It has small and cheaper caviar.

It difficultly and in artificial conditions reproduces, and its number is declining in nature.


Astra caviar comes from wild fish species, which are usually banned from export.

Baeri caviar is one of the Siberian fish, but it is an Iranian aboriginal fish.

Beluga caviar comes from Beluga fish.

Sevruga caviar comes from bastard and starry sturgeon.

Huso huso Fish

One of the best caviar fish in the world is called Beluga.

This fish produces the most expensive caviar in the world and is more economically valuable than other types of caviars.

This fish weighs about 1400 kg and can live more than 100 years.

Huso huso fish produce beluga caviar, which has a high value and price.

Of course, this fish spawns every 2 or 3 years and in Iran, Beluga fish weighing 620 kg have been caught.

Acipenser persicus, Iranian sturgeon fish

One of the best caviar fishes in the country, which is considered as an independent fish, is called Iranian sturgeon.

This fish, known as the black nose, is in second place of the world’s best caviar fishes.

There is also Russian species of this fish, but Iranian sturgeon is better than its Russian species.

The color of Persian sturgeon is dark and has white spots on its body.

The weight of this fish is about 60 to 130 kg and the length sometimes reaches 2 meters.


caviar fish
caviar fish

Acipenser nudiventris

This fish is a species of migratory fish and takes refuge in the Caspian coast for spawning and does most spawning in the rivers of the Caspian Sea.

This fish has a lifespan of 30 years and is considered a lightweight fish.

Of course, caviar of this fish is in the fourth place and the length of this fish reaches 1 meter.

Acipenser stellatus (Persian caviar fish)

This fish is in the last rank and has been named as the smallest caviar fish in Caspian Sea.

This fish has small caviar and its price is lower than other types of caviar.

The length of this fish is 1.5 meters and it is lighter than other types of caviar fishes.

Huso huso (Beluga fish) part 2

Huso huso fish is the largest fish in the Caspian Sea, which in the past was caught weighing about 1,200 kg.

This fish enters rivers in spring and autumn to spawn.

Males of this species of fish mature at 17 18 years of age and females at 18 to 18 years of age.

The average caviar of a Huso huso fish is 12.9 kg.

Huso huso sturgeon is one of the most expensive foods in the world and has many fans among caviar lovers.

Beluga caviar is the largest caviar and has a delicious taste.

Acipenser Persicus part 2

Among the five species of Caspian caviar, three species known as Astra caviar are Acipenser stellatus, Russian sturgeon and Iranian sturgeon.

This fish is the most abundant species of sturgeon in the southern basin of the Caspian Sea and for this reason it is known as Persian sturgeon.

Currently, most of this fish is found in the southeast of the Caspian Sea and This fish mostly spawns in spring.

Males of this species mature at the age of 8 to 11 years and females at the age of 10 to 16 years.

The average caviar production of this fish increases with its age and it also varies according to the seasons.

On average, about 4.5 kg of caviar is obtained from each Iranian caviar fish.

The caviar of this fish has more color variety than other species and its color range is from dark gray to light and in rare cases, it has been seen in golden color.

Iranian Astra caviar is one of the most famous and popular types of caviar in the world.

Astra caviar is smaller than Beluga and larger than Soruga.

Acipenser gueldenstaedtii (Russian sturgeon)

This species of Caspian sturgeon lives mainly in the northern parts of the sea and is highly dependent on the Volga and Ural rivers, but is also found in the southern regions.

In the north of the Caspian Sea, young fishes of this species live at a depth of 2 to 5 meters, but larger and elder fishes in the southern waters of the Caspian Sea prefer a depth range of 2 to 130 meters.

This fish goes to the Volga, Ural and Kora rivers in the north of the Caspian Sea and the Sefidrood river in the south of the Caspian Sea for spawning.

The migrations of this fish for reproduction take place in autumn and spring and its spawning peak takes place at a temperature of 21 to 25 degrees Celsius.

The average caviar yield of Russian sturgeon is about 5.3 kg.

The caviar of this fish is also offered under the name of Astra caviar.


Types of sturgeons
Types of sturgeons

Acipenser nudiventris part 2

This fish lives in the Black Sea and the Caspian Sea.

The distribution of this fish in the Caspian Sea is not uniform.

In the north of the Caspian Sea, this fish rarely goes to the Volga River for spawning and often prefers the Ural River.

This fish lives at depths of 11 to 25 meters with a water temperature of 3 to 14 degrees.

The stocks of this sturgeon in the waters of Russia, Azerbaijan and Turkmenistan have been minimized and its caviar trade is prohibited.

In Iran, several million juvenile fishes are artificially reproduced and released to strengthen the natural resources of the Caspian Sea.

The spawning time of these fishes is in April and May at a water temperature of about 10 degrees Celsius.

Males reach maturity at the age of 9 to 12 and females at the age of 11 to 16.

The average caviar extracted from this fish is about 8.4 kg.

Acipenser stellatus

This fish is the smallest species among the sturgeon of the Caspian Sea.

This fish has a unique appearance due to its long snout, and because of this long snout, it is called “Ozone Boron” in Persian. The caviar of this fish is smaller in size than other types of caviar and has a very pleasant taste.

This fish is also found in the Black and Azov Seas, but its main habitat is the Caspian Sea and is scattered in all coastal parts of the sea.

This fish enters the river in spring to spawn.

Males mature at the age of 7 to 13 years old and females at 8 to 17.

The average sturgeon of this fish is 3 kg per a year.

You can buy all different kinds of Caviar on our caviar online shop on Amitis.

All caviar are pure with caviar international certifications.

For any further questions please contact us


 types of sturgeon (caviar fish)

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