Blue Mesa Yellow Perch - Colorado Fishing Forum

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Old 10-16-2010, 07:34 AM   #1 (permalink)
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Default Blue Mesa Yellow Perch


I want to know more about how yellow perch are effecting the eco system at Blue Mesa.
Any info would be appreciated.

what is their primary forage?

what is the maximum depth perch will run?

when and were do they spawn?

do they feed on crawfish?

do they eat plankton?

has the DOW done any formal studies specifically on perch?

Did anybody else hear that the macs that were gill netted last season were mostly full of perch?

Does anybody have a fishing report on the perch?

Thanks
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Old 10-16-2010, 08:35 AM   #2 (permalink)
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Default Re: Blue Mesa Yellow Perch

just found this on gofishn.com.

"Because of their predaceous nature and swift breeding, overpopulation is a problem in many lakes where yellow perch have been introduced; the fish may become stunted, and other species may be adversely impacted as a result. The introduction, through natural or artificial means, of yellow perch into ponds containing trout usually results in a collapse of the trout population, and this may be true for other species of fish that were dominant before yellow perch entered.

Food and feeding habits
Yellow PerchYoung yellow perch feed on zooplankton until they have grown to several inches in length and then feed on larger zooplankton, insects, young crayfish, snails, aquatic insects, fish eggs, and small fish, including the young of their own species. Yellow perch are commonly believed to feed in shallows at dawn and dusk, remaining inactive at night, but the conditions under which they feed and under which they can be caught vary widely with their environment and the skill of the angler. "

!!!!!!!!!!!!!!!JUST ANOTHER REASON WHY THE KILLING OF MACS IS A BAD IDEA!!!!!!!!!!!!!!

If the perch get out of control,kiss the kokanne good bye.
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Old 10-16-2010, 10:44 AM   #3 (permalink)
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Default Re: Blue Mesa Yellow Perch

Quote:
Originally Posted by fordo
just found this on gofishn.com.

"Because of their predaceous nature and swift breeding, overpopulation is a problem in many lakes where yellow perch have been introduced; the fish may become stunted, and other species may be adversely impacted as a result. The introduction, through natural or artificial means, of yellow perch into ponds containing trout usually results in a collapse of the trout population, and this may be true for other species of fish that were dominant before yellow perch entered.

Food and feeding habits
Yellow PerchYoung yellow perch feed on zooplankton until they have grown to several inches in length and then feed on larger zooplankton, insects, young crayfish, snails, aquatic insects, fish eggs, and small fish, including the young of their own species. Yellow perch are commonly believed to feed in shallows at dawn and dusk, remaining inactive at night, but the conditions under which they feed and under which they can be caught vary widely with their environment and the skill of the angler. "

!!!!!!!!!!!!!!!JUST ANOTHER REASON WHY THE KILLING OF MACS IS A BAD IDEA!!!!!!!!!!!!!!

If the perch get out of control,kiss the kokanne good bye.
And another reason that the asses who planted them ought to be shot! Frickin' know-it-all idiots.
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Old 10-16-2010, 04:28 PM   #4 (permalink)
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Default Re: Blue Mesa Yellow Perch

Quote:
Originally Posted by gofindyourowndamnfish
Quote:
Originally Posted by fordo
just found this on gofishn.com.

"Because of their predaceous nature and swift breeding, overpopulation is a problem in many lakes where yellow perch have been introduced; the fish may become stunted, and other species may be adversely impacted as a result. The introduction, through natural or artificial means, of yellow perch into ponds containing trout usually results in a collapse of the trout population, and this may be true for other species of fish that were dominant before yellow perch entered.

Food and feeding habits
Yellow PerchYoung yellow perch feed on zooplankton until they have grown to several inches in length and then feed on larger zooplankton, insects, young crayfish, snails, aquatic insects, fish eggs, and small fish, including the young of their own species. Yellow perch are commonly believed to feed in shallows at dawn and dusk, remaining inactive at night, but the conditions under which they feed and under which they can be caught vary widely with their environment and the skill of the angler. "

!!!!!!!!!!!!!!!JUST ANOTHER REASON WHY THE KILLING OF MACS IS A BAD IDEA!!!!!!!!!!!!!!

If the perch get out of control,kiss the kokanne good bye.
And another reason that the asses who planted them ought to be shot! Frickin' know-it-all idiots.
sounds like fordo knows who they are, the same sucker soakers killing big fish, we could make an example out of them.
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Old 10-16-2010, 09:34 PM   #5 (permalink)
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Default Re: Blue Mesa Yellow Perch

I fish BM several times a year and have not caught a perch yet. Would someone PM me as to where I can find them as I will do my best to cut down there numbers. Thanks.
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Old 10-16-2010, 10:15 PM   #6 (permalink)
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Default Re: Blue Mesa Yellow Perch

Perch are hard to pattern at Blue Mesa. We have caught as many as 40 in a couple hours and I have caught them to 14" several times. But the lake level differences scatter them and when you think you have them they move. But in general there are always a few at the very ends of each main inlet, especially Soap Creek. Fish near the trees sticking out. Also in 10-15 FOW at the ends of the north coves on the east end of the lake.

My opinion on their population is that they exploded and most fishermen that fish Blue a lot know that the lakers and browns have over-populated because instead of predating their own young and keeping their populations down, they find the juvenile perch and more young survive, thus we have this big over-population of medium sized brown trout and 16"-18" lake trout that eat tons of kokanee smolts as they enter the Iola basin coming into the lake. The fish on that end of the lake are stuffed with 2" perch, just check their stomachs. Kokes can't reach 4 year old spawning age if they don't survive the first month in the lake.
If the DOW would go back to hauling kokes to various parts of the lake like they used to I bet many more would survive. A few years ago they hauled some to the dam area and that was by far the best area for koke fishing 3 years later according to the guides.
Still, it was those @#$%^ bucketeers that screwed up the lake balance with perch.
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Old 10-16-2010, 11:04 PM   #7 (permalink)
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Default Re: Blue Mesa Yellow Perch

Perch are probably one of the most damaging fish introductions that can be made. The worst are mysis shrimp.
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Old 10-17-2010, 06:27 AM   #8 (permalink)
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Default Re: Blue Mesa Yellow Perch

Kraz and I caught two in the crayfish traps we set out last August...In the cove right across from Elkhead Marina...


Weird
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Old 10-17-2010, 06:52 AM   #9 (permalink)
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Default Re: Blue Mesa Yellow Perch

With Perch all over the state...I am guessing that bucket biology played little if any effect on that piece of attrition.

Now the pike and walleye and smally's...that may be a different story.

My bet is that when the lakers have lost their foothold because of what they are doing another Primary predator fish will fill the void and just like Kowalskis devastating shot on the Gunny letting the Bows lose their foothold against the browns we will see the same shift at the top...Which one will it be...its almost like Christmas.

Big K is heading back to the Grand Mesa with another load of browns...Really...Who's in charge over there...? Say one thing do another...

Oh and here we go again, purely because BM is so big it will take a while but the BB's have started their projects and soon we will have another great fishery here in CO no thanks to the DOW.
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Old 10-17-2010, 11:10 AM   #10 (permalink)
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Default Re: Blue Mesa Yellow Perch

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