Successful fish spawn? - Colorado Fishing Forum

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Old 04-13-2011, 04:08 PM   #1 (permalink)
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Default Successful fish spawn?

I'm curious about which species successfully spawn in our lakes/ponds

Personally - it seems like all the sunfish (Bluegill, SMB, LMB) seem to reproduce successfully in most lakes.

Also I'm sure carp and yellow perch spawn successfully because they are generally crowded in most lakes I fish.

I've heard mixed things on Saugeye/Walleye - that only in limited lakes they are successful

And obiously in most rivers the trout are successful as they were here before we were...

But what about all those stocker Rainbows? Do those spawn at all?
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Old 04-13-2011, 08:22 PM   #2 (permalink)
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Default Re: Successful fish spawn?

Negative. That is why they cost us all so much cheddar...

There may be "spawning activity" but there is very little if any successful reproduction in lakes without an inlet stream.

SS
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Old 04-13-2011, 09:03 PM   #3 (permalink)
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Default Re: Successful fish spawn?

Quote:
Originally Posted by swimbait
Negative. That is why they cost us all so much cheddar...

There may be "spawning activity" but there is very little if any successful reproduction in lakes without an inlet stream.

SS
So it's just an endless cycle of stocking those things?
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Old 04-13-2011, 09:48 PM   #4 (permalink)
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Default Re: Successful fish spawn?

Quote:
Originally Posted by Weezy
Quote:
Originally Posted by swimbait
Negative. That is why they cost us all so much cheddar...

There may be "spawning activity" but there is very little if any successful reproduction in lakes without an inlet stream.

SS
So it's just an endless cycle of stocking those things?
Basically. Thats where they get the term "put and take".
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Old 04-13-2011, 10:48 PM   #5 (permalink)
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Default Re: Successful fish spawn?

Quote:
Originally Posted by shutupandfish
Quote:
Originally Posted by Weezy
Quote:
Originally Posted by swimbait
Negative. That is why they cost us all so much cheddar...

There may be "spawning activity" but there is very little if any successful reproduction in lakes without an inlet stream.

SS
So it's just an endless cycle of stocking those things?

What a vicious cycle
Basically. Thats where they get the term "put and take".
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Old 04-13-2011, 10:58 PM   #6 (permalink)
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Default Re: Successful fish spawn?

And there you have it, add salmon and you have a DOW Perpetual Motion Machine.
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Old 04-13-2011, 11:08 PM   #7 (permalink)
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Default Re: Successful fish spawn?

Not to try and discredit anyone but what are these opinions based on?
[me=Jay] [/me]
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Old 04-13-2011, 11:16 PM   #8 (permalink)
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Default Re: Successful fish spawn?

So youre telling me on the gravel redds and rocks like at Spinney where trout lay eggs with wave action none of those eggs hatch?...

How did all those fish hatch in lakes with no streams before man got here get there?...
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Old 04-14-2011, 01:52 AM   #9 (permalink)
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Default Re: Successful fish spawn?

Quote:
Originally Posted by Jay
Not to try and discredit anyone but what are these opinions based on?
[me=Jay] [/me]
Well, I will be honest. It is based on a combination of direct observation and assimilation of a lot of second hand information.

For direct observation, we have the fact that all (or nearly all) trout will run given the opportunity. Laketrout may provide an exception to this basic rule. Rainbow trout however do not. I have observed a great many trout fry in streams and rivers, but very few in littoral zones of stillwaters. Parr, yes. But fry, no. Where are the dense clouds of fry indicating a successful spawn?

There are a great many papers written by ichthyologists concerning the failure of reproduction of various species of trout in reservoirs. There is some reproduction, but the ultimate dictator of spawning success is adequate spawning grounds, which tend to be lacking in reservoirs.

Reservoirs experience a very rapid eutrophication process in comparison to a typical natural lake. Eutrophication is the process of "aging" that takes place in a lake. Over the huge spans of time that a natural lake ages (sometimes hundreds of thousands or even millions of years) there are species that take advantage of the niches that are available. Stocks of fish will return to a single area over and over for countless generations. (Man has made note of this, to the detriment of many fish stocks.)

In a man made reservoir, this is not the case. That is not to say that there will be no spawning behavior, it is genetically hard-wired in the DNA of species. (I had a perch lay eggs in my aquarium once!) The better the spawning habitat the better a given spawn will come off. But without the conditions that these species evolved with, it is likely that the spawning ritual is only so much wasted effort.

In an effort to placate haters, I will freely admit I am a hack in pretty much every sense of the word.

I think FishDr. could render a useful perspective on the matter, as could John Ewert. Dr. Robert Benhke (not sure if I got the spelling right there) at CSU is internationally renown for his knowledge on trout. I am sure his input would be of great worth as well to anyone willing to invest the effort to contact him on the matter.

SS

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Old 04-14-2011, 09:46 AM   #10 (permalink)
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Default Re: Successful fish spawn?

Quote:
Originally Posted by Jay
Not to try and discredit anyone but what are these opinions based on?
[me=Jay] [/me]
My original post is just what I think - it may not be accurate. I was honestly just guessing based on my experience with fish populations on what species spawn successfully
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