
The powan (Coregonus clupeoides) is a kind of freshwater whitefish endemic to two lochs in Scotland, Loch Lomond and Loch Eck. It has been successfully introduced in two other sites, Loch Sloy and the Carron Valley Reservoir. Powan populations are relatively healthy, but may have been negatively impacted by the introduced ruffe, which eats powan e...
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http://en.wikipedia.org/wiki/Powan

• (n.) Alt. of Powen
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The powan is a fish found in Loch Lomond, Scotland. It is of the same genus as the polland and the vendace. Also known as the fresh-water herring.
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