http://america.aljazeera.com/articles/2014/8/15/intersex-fish-inthesusquehannariver.html
Aljazeera America
Mutant fish in the Susquehanna River
Smallmouth bass with grotesque open sores have been discovered in Pennsylvania’s sick waterway
August 15, 2014 5:00AM ET
In Pennsylvania’s Susquehanna River, one of the longest in the northeast, male smallmouth bass are sprouting female egg cells in their testes. According to a United States Geological Survey report released in June, these intersex fish appear in water — both in this river and two others in the state — that has become saturated with estrogenic compounds, natural and artificial hormones in animal manure and, to a smaller degree, sewage.
Most troubling, biologists say, is that many of these bass, and scores of others, have visible signs of disease — black splotches on their skin and grotesque open sores.
“We do think some of the same feminization chemicals are causing immunosuppression,” said Vicki Blazer, a fish biologist for the USGS who helped write the report. “And that disease is having an effect on the population.” … see link