NJ.com published the following article on 7/19/2014. To read the full article, click here.
‘Intersex’ fish found in Delaware, other rivers a result of hormone-disrupting chemicals
Jenna Pizzi | July 19, 2014At first glance, most fish caught in the Delaware River look perfectly normal. But scientists who investigated further discovered something very unusual.
A sampling of certain male fish were found to be carrying female eggs.
These “intersex” fish were not only in the Delaware but in two other Pennsylvania river systems, according to a study done by the U.S. Geological Survey.
Scientists believe chemicals seeping into the rivers from various sources are causing this unnatural phenomenon.
From 2007 through 2010, USGS scientists collected samples of intersex fish from the Delaware, Susquehanna and Ohio rivers and their tributaries. This research, which was published last month by USGS fish biologist Vicki Blazer, is getting increasing attention among scientists, environmentalists and politicians.
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