Sep 17, 2012

Feminized Fish: A Side Effect Of Emerging Contaminants

EarthFix...That’s not something you want to see in male fish, says Jim West, a senior scientist with the Washington Department of Fish and Wildlife. West was with Lyndal Johnson when they found the weird fish.

“It’s an indication that they’ve been exposed to something, some chemical, that is essentially feminizing them.”

These fish weren’t dying. From the outside, they didn’t even look different. But there were striking changes going on inside them.

The team took more samples. The results: almost half of the 49 male English sole they tested at the Elliott bay sight on the Seattle waterfront were producing the female egg yolk protein. Elevated egg protein levels were also found at sample sites in Tacoma’s Commencement Bay and near Everett.

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