US wildlife agency rejects protections for rare fish species

U.S. wildlife officials on Wednesday rejected special protections for a rare, freshwater fish related to salmon that's been at the center of a long-running legal dispute, citing conservation efforts that officials say have increased Arctic grayling numbers in a Montana river. The move comes almost two years after a federal appeals court faulted the U.S. Fish and Wildlife Service for arbitrarily dismissing threats to grayling from climate change and other pressures. While some of those threats will persist, government officials said conservation measures have improved the fish's habitat and will lessen future temperature increases in the cold waters where they reside.

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