How Old Are Sturgeon When They Spawn

During spawning the eggs are broadcast over a large area and left unattended to hatch in eight to ten days.
How old are sturgeon when they spawn. Lake Sturgeon are very slow to mature. 30 to 33 days a. Once females mature at about 20-25 years of age they spawn on average every three to four years.
The average interval between spawning is three years although other studies suggest an interval as long as ten years. 5 years old b. Sturgeon are extremely long-lived living to 60 plus years old.
Mature sturgeon do not spawn every year. They may be 35 ft 091152 m long at this stage. Female sturgeons dont spawn until they are about 25 years old.
5 to 8 days 6. 4 to 6 years c. 50 years old c.
Could then begin an enhancement program for sturgeon here potentially at least as valuable as salmon trout and shellfish have been. Sturgeon spawning definitely focuses much more on quantity than quality. Lake sturgeon have a low reproductive rate and may not begin to spawn until they are 15-25 years old.
2005-10-05 Fishermen on the Caspian wait until the mature female sturgeon which are at least 10 years old are ready to migrate upstream and lay their eggs. They are slow to mature and generally do not spawn for the first time until they are nine to 23 years old depending on the species. A female thats ready to spawn.