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Lake sturgeon congregate in the shallows of the Wolf River on April 14 near Shiocton. The fish are gathering in the area to spawn. Wisconsin has among the highest populations of lake sturgeon
Fisheries staff with the U.S. Fish and Wildlife Service net a lake sturgeon for processing at Bamboo Bend on the Wolf River in Shiocton. The fish were measured, sexed and had a passive integrated ...
Fish stocking, dam removals and protection of spawning areas are helping sturgeon populations in the U.S. recover from past decades of overfishing, water pollution and habitat destruction ...
Shiocton is a village in Outagamie County, Wisconsin, United States. The population was 921 at the 2010 census. ... Later in the month, sturgeon spawn in the Wolf ...
In order for spawning to occur, water temperature should be above 17 °C (63 °F). Spawning normally lasts between nine and twenty-three days, but can continue past this as long as the water temperature remains below 22 °C (72 °F). [10] Free sturgeon embryos (the first interval of sturgeon after hatching) hide under rocks and do not migrate ...
The lake sturgeon (Acipenser fulvescens), also known as the rock sturgeon, [7] is a North American temperate freshwater fish, one of about 25 species of sturgeon.Like other sturgeons, this species is a bottom feeder and has a partly cartilaginous skeleton, an overall streamlined shape, and skin bearing rows of bony plates on the sides and back.
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.
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 ...