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What makes a perch blue?“The blue perch are a color variation of regular yellow perch,” Anderson said, shedding a little bit more light. “There is a mutation, so they don't produce one of the pigments in the skin and the result is they look rather blueish. Sometimes even their mucus will look blueish.”
How can you tell how old a perch is?Just like when you cut down a tree and count the growth rings on the stump, you can determine the age of any walleye, yellow perch or sauger that you can catch. You can establish the year it was born and see when it grew quickly -- or slowly -- in response to early spring, warm water or a profusion of food.
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