Mutated Trout Raise New Concerns Over Selenium - NYTimes.com
Photographs of variously mutated brown trout were relegated to an appendix of a scientific study commissioned by the J. R. Simplot Company, whose mining operations have polluted nearby creeks in southern Idaho. The trout were the offspring of local fish caught in the wild that had been spawned in the laboratory. Some had two heads; others had facial, fin and egg deformities.
Yet the company’s report concluded that it would be safe to allow selenium — a metal byproduct of mining that is toxic to fish and birds — to remain in area creeks at higher levels than are now permitted under regulatory guidelines.
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