MD
Here is a response from Craig Johnson a Kansas Fishery Biologist to another board to this very same question.
"You are likely seeing the fish preparing for the 2005 spawn. Being a coldblooded critter, it takes fish quite a while to produce a belly full of eggs so they have to begin preparing EARLY! "
I just pasted his response so the above date should be changed to 2006.
“There is no difference between communism and socialism, except in the means of achieving the same ultimate end: communism proposes to enslave men by force, socialism—by vote. It is merely the difference between murder and suicide.” Ayn Rand