In another of the twists in this fish story, the American companies seeking to supplant Caspian caviar may actually prevent the Caspian sturgeon from disappearing.

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The story said that toxic waste from the factory killed a large number of fish in a nearby river.

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Amarin, which makes a new form of fish oil called Vascepa, could have marketing difficulties because doctors will draw comparisons between the niacin story and that for fish oil medicines, which showed benefit in early, open-label studies but have failed in more recent rigorous ones.

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"The Minnesota plan represents one of the final chapters in a tremendous gray wolf success story, both here and across the nation, " said Bill Hartwig, regional director of the Fish and Wildlife Service.

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That will make the Belo Monte story even more interesting: big corporate government and miners seek to destroy the livelihood of tens of thousands, possibly extincts some fish like the zebra catfish, according to studies, and floods virgin rainforest in the name of development and future mining profits.

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