08-27-2018, 09:13 PM
[#0000FF]I read that thread on the Idaho board too, but did not feel worthy to post anything contradictory.
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[#0000FF]Walleyes, smallmouth and perch coexist in more than a few western reservoirs. Actually, the smallmouths are more detrimental to the perch population than the walleyes. Walleyes tend to eat larger perch...between the fry and 2 year old size. Smallmouth young eat hundreds of newly hatched perchlets...leaving far fewer to grow to walleye food size.[/#0000FF]
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[#0000FF]There is Salmon Falls Creek Reservoir in southern Idaho that has populations of all three...plus trout, crappies and pike minnows (the fish formerly known as squawfish). All do well but populations and sizes can vary with water years...as in many reservoirs.[/#0000FF]
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[#0000FF]I am not a Cascade expert, but I have heard there are weed beds that produce quantities of aquatic insects...good food for perch of all sizes. That is one difference between Cascade and our " holy trinity" lakes in Utah. None of our lakes has many weeds or invertebrates...other than a few crawdads. When perch have a good spawn, all the predators live on the baby perch. When the perch have a die off or a poor spawn, all the meat eaters suffer.
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[#0000FF]Walleyes, smallmouth and perch coexist in more than a few western reservoirs. Actually, the smallmouths are more detrimental to the perch population than the walleyes. Walleyes tend to eat larger perch...between the fry and 2 year old size. Smallmouth young eat hundreds of newly hatched perchlets...leaving far fewer to grow to walleye food size.[/#0000FF]
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[#0000FF]There is Salmon Falls Creek Reservoir in southern Idaho that has populations of all three...plus trout, crappies and pike minnows (the fish formerly known as squawfish). All do well but populations and sizes can vary with water years...as in many reservoirs.[/#0000FF]
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[#0000FF]I am not a Cascade expert, but I have heard there are weed beds that produce quantities of aquatic insects...good food for perch of all sizes. That is one difference between Cascade and our " holy trinity" lakes in Utah. None of our lakes has many weeds or invertebrates...other than a few crawdads. When perch have a good spawn, all the predators live on the baby perch. When the perch have a die off or a poor spawn, all the meat eaters suffer.
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