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The flesh of the sturgeon is widely considered a delicacy, especially smoked sturgeon. Poaching of the shovelnose sturgeon is becoming a problem, as they must be 8–10 years old before spawning can occur, and females do not become gravid every year. There has some interest in marketing the shovelnose sturgeon as an aquarium species. [7]
When ready to spawn, white sturgeon choose a variety of substrates dependent on the river system, spawning on gravel or rocky substrate in moderate to fast currents, with observed depths of 3–23 m (9.8–75.5 ft), and water velocities at the bottom on a range of 0.6-2.4 m/sec. [21] When eggs are released by the female, they are negatively ...
Prior to the construction of dams on the Missouri, pallid sturgeon migrated hundreds of miles upstream to spawn, and sought out rocky or hard surfaces to deposit hundreds of thousands of eggs. [ 27 ] [ 26 ] One female pallid sturgeon caught in the upper Missouri River was estimated to be carrying 170,000 eggs, representing over 11 percent of ...
Warm February weather contributed to poor ice and a low sturgeon harvest for 2024, but the DNR says warm winters have more effect on spring spawning.
Lake sturgeon congregate in the shallows of the Wolf River on April 14 near Shiocton. The fish are gathering in the area to spawn.
They prefer to spawn in temperatures between 55 and 64 °F (13 and 18 °C). [15] Lake sturgeon reproduce by swimming around each other in circles and shaking violently; the male stops circling when he has released his sperm and the female then lays her eggs. [16] Males spawn every 2 to 7 years while females spawn every 4 to 9 years.
The recovery in that system was recently documented with clear video footage of sturgeons congregating and spawning in the Ottertail River for the first time in 125 years. "Our voices were heard ...
Scott and Crossman 1973 reported potential spawning in the Fraser River in Canada, but Moyle 2002 reported that there was no evidence of green sturgeon spawning in Canada or Alaska. Green and white sturgeon enter the Feather River system annually and spawning of green sturgeon was documented for the first time in 2011. [43]
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