Shovelnose related to pallid sturgeon

December 22, 2010 | 5:55 p.m. CST
Ecologist Aaron DeLonay with the U.S. Geological Survey holds a shovelnose sturgeon netted just east of Jefferson City on the Missouri River that he estimates to be 3 or 4 years old. The Columbia Environmental Research Center believes hormonal compounds like those found in women’s birth control pills may cause shovelnose sturgeon to develop both male and female sex organs.

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