According to fishbase.org the maximum published weight of the
largest type of sturgeon, the beluga, was 2072 kg (4558 lb). There
are different species of sturgeons and most are much smaller than
this.
Depends on the size and species of sturgeon. And the time of
year, they dont feed much in the winter.
What dose a sturgeon eat?
Sturgeon eat crayfish, mice, rats, frogs and rotting decaying
carcasses. They can measure up to 20 feet. Weigh over 500 pounds
and live up to 120 years.
What is the worlds biggest freshwater fish?
It is the giant white sturgeon. They can grow to be over 20 ft
long and weigh as much as 1,800lbs. They also can live to be well
over 100 yrs old.
The beluga sturgeon which is found in the Caspian Sea reportedly
attain over 5.5 m and weigh as much as 2000 kg. They can live as
long as 100 years. There are Unconfirmed reports which claim that
belugas can weigh as much as 2,700 kg and may reach a length of up
to 8.6 m