Darters in the Northeast U.S.

OK, I've been out poking under the rocks in small streams and shallow 
rivers in the summer and have seen many darters.

Just went out today in November and looked around and saw ZERO in three 
of the places I normally go.

Do these things move from their normal riffles to other areas when 
winter approaches. From reading various books on them, it never mentions 
them going elsewhere when it gets cold.

Thanks,

Charles

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 Charles P. Woolever                                        [EMAIL PROTECTED]
  http://ny.existingstations.com                  Existing Stations in NYS