Some of Rick Zieger's recent quotes

These on Specks' vision have been pretty good lately.

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"A scientific study has show that the vision of crappie and other cold-blooded creatures significantly improves as the water gets colder."

Tim Tucker in Oct- Dec "Crappie" magazine

Rick

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Quote:

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"The study found that the colder the eye, the greater the visual acuity and sensitivity of the vision becomes", explains Doug Hannon. "That allows the fish to go to deeper, darker water and still retain good, vision, which is important because crappie are such sight-feeders."

Tim Tucker in Oct-Dec "Crappie" magazine

Rick

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another point of view(no pun intended :) )
The lake I live on is rather turbid/murky most of the summer,as the water cools,and 4 weeks after the turnover,it clears up significantly.This may have something to do with it also.

I'm sure water clarity or transperancy is a big factor in the amount of light penetrating the water for fish vision. Good point :).