How hevy do sturgeon get?

There are 29 species of sturgeon that range in size from the Dwarf sturgeon thats only 9 inches and weighs less than 1/2 a pound to the Beluga sturgeon that is thought to reach 30 feet and over 5,000 pounds (more commonly to 20 feet and 2,000 lbs)
Many species are around 8 feet and 2-300 lbs.