At What Age Do Sturgeon Spawn

Hydropower dams have impacted sturgeon by altering the velocity and timing of river flows which are important for spawning.

At what age do sturgeon spawn. 21 rows 2009-06-25 Another factor that makes the white sturgeon so unusual is its. Males reach sexual maturity between the ages of 5 and 7 years while females are believed to become capable of reproduction when they are at least 15 years old. Called mature when they are able to spawn.

Mature sturgeon do not spawn every year. Sturgeon spawning along the banks of the Wolf River in Shiocton WI. During seasons when water flow is high and water temperatures rise slowly spawning begins when the water temperature reaches 53 degrees Fahrenheit.

A few others are confined to fresh water. As is true for many long-lived species pallid sturgeon reach reproductive maturity relatively late. When mature females spawn only once every 4 to 6 years.

Most species live in the ocean and ascend rivers to spawn in spring or summer. Unlike many salmon species that spawn once and die white sturgeon are capable of spawning many times throughout their life. They do not reproduce until they are at least 15 years old for males and 25 years old for females.

For females spawning age is over 20 years. Sturgeon spawning During mid-April to early May Lake Sturgeon travel upstream to their spawning grounds giving the public a prime opportunity to see these ancient ones up close. Sturgeon any of about 29 species of fishes of the family Acipenseridae subclass Chondrostei native to temperate waters of the Northern Hemisphere.

Age at sexual maturity varies but generally ranges from 18-20 years for males and 20-28 years for females. Sturgeon have no teeth and were one of the very first fish species to develop a suction type of eating- they are bottom dwellers who suck up food around them and spit out anything inedible through their gills. Sturgeon grow slowly and live long lives 80 to even 100 years.