Rock River’s ‘hefty’ shovelnose sturgeon stoke curiosity of Illinois researchers
When anglers began regularly pulling hefty-sized shovelnose sturgeon from the Rock River – catching fish weighing up to 10 pounds – the Illinois DNR made sturgeon throughout the river a research priority. In 2022, the agency tapped Stefan Tucker, a sturgeon specialist and fisheries ecologist at the Illinois Natural History Survey, to investigate the shovelnose.
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