USGS researcher examining bass for abnormalities in the field. (Credit: Jo Ellen Hinck / U.S. Geological Survey)
From Science Daily:
ScienceDaily (Sep. 15, 2009) — Intersex in smallmouth and largemouth basses is widespread in numerous river basins throughout the United States is the major finding of the most comprehensive and large-scale evaluation of the condition, according to U.S. Geological Survey (USGS) research published online in Aquatic Toxicology.
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