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Jan 10th, 2023
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Joined: May 2004
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Moderator Lunker
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Moderator Lunker
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Question for Dr. Perca, et al. - how does this sound?
Hypothesis for analysis: YP who are taller for their length, compared with other members of the same population, are growing faster than their companions.
"Live like you'll die tomorrow, but manage your grass like you'll live forever." -S. M. Stirling ![[Linked Image from i.pinimg.com]](https://i.pinimg.com/736x/ed/b5/e7/edb5e7f935843b996cf52be593c9ebd2--smoothie-smooth-collie.jpg)
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Moderator Ambassador Field Correspondent  Lunker
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Moderator Ambassador Field Correspondent Lunker
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Interesting theory. Intrigued to hear Cody's take. As anglers we're naturally wired to think length determines growth.
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Joined: Apr 2002
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Field Correspondent Lunker
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Mr. Theo where did this hypothesis come from? Taller YP individuals are very likely the females. More slender individuals will be the slower growing males. I think the females will be bulking-up more body mass and fat reserves for the upcoming next spawning session.
Last edited by Bill Cody; 04/25/24 08:18 PM.
aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
America's Journal of Pond Management
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Moderator Lunker
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I have more YP eating pellets this Spring (for 2 months now!) than ever before (possibly more than all previous years put together). I don't know why they are all eating this year, but am just appreciating it.
This has given me lots of YP to look at, from fairly skinny 6 inchers to big ones 14-15" long. There is a subset which are medium sized (10-11") that seem exceptionally tall for YP - about halfway from (what I consider) regular YP shaped to BG shaped.
"Live like you'll die tomorrow, but manage your grass like you'll live forever." -S. M. Stirling
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1 member likes this:
FishinRod |
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Joined: Nov 2023
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Joined: Nov 2023
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Sounds like you have a few good teacher YP in there educating the masses. Fantastic learned behavior and eating habits!
I subscribe to Pond Boss Magazine
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Lunker
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Lunker
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There is a subset which are medium sized (10-11") that seem exceptionally tall for YP - about halfway from (what I consider) regular YP shaped to BG shaped. Has Dr. Snipenstein been helping you with fish experiments? It sounds like you have either created Yellowgills or Blue perch.  Either version sounds quite tasty to me!
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Joined: Apr 2002
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Get a few pics of those exceptionally tall BG shaped YP. If it was during March early April the tall ones were likely big wide body gravid females. After the spawn you might not be seeing nearly as many "tall" ones. Post spawn YP eat very aggressively for around 2 months so you should be seeing lots of the biggest (tallest) YP during feeding times until the water reaches 78F-80F. .
Last edited by Bill Cody; 04/26/24 07:15 PM.
aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
America's Journal of Pond Management
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Joined: Oct 2018
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Joined: Oct 2018
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I'm experiencing something similar, but can't say I notice the fish being oddly shaped. More YP this year coming to feed than ever.
I'll be watching this post, as I'd like to say I've got "taller" YP, but I'm not seeing that. Bigger, yes, but seem to be well proportioned in general.
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My First
by Bill Cody - 05/06/24 07:22 PM
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