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Joined: Jun 2015
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OP
Joined: Jun 2015
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Otherwise fat and healthy male BG, with strange stripe down his side
"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.
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Joined: Oct 2012
Posts: 670
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Joined: Oct 2012
Posts: 670 |
Out of your pond? Any others showing this type of coloration or marking?
I used to raise Belgian draft horses, one mare had a black birthmark and passed a similar mark to all her foals. I wonder if your gill is showing some type of hereditary feature?
CMM
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Joined: Jun 2015
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Joined: Jun 2015
Posts: 619 Likes: 73 |
Yup, from our pond. First one we've seen like it. Maybe just a genetic quirk. We'll have to watch and see if the stripe shows up in the next generation. Might be a new fangled type fish aka 'blue eared striped twister bass', or something... ha!
(I'm channeling the CHRM acronym from the forum list..aka the copperheaded rattlemoccasin)
"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.
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Joined: Jun 2015
Posts: 619 Likes: 73
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OP
Joined: Jun 2015
Posts: 619 Likes: 73 |
The gal who landed it thought it looked pretty cool...
"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.
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Joined: Aug 2016
Posts: 491 Likes: 13
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Joined: Aug 2016
Posts: 491 Likes: 13 |
wow that's unique! Was his opposite side similar or normal coloration?
Mat Peirce 1.25 acre southeast Iowa pond LMB, BG, YP, WE, HSB, RES, BCP
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Joined: Jun 2015
Posts: 619 Likes: 73
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OP
Joined: Jun 2015
Posts: 619 Likes: 73 |
Other side was normal, as seen here while I was measuring it
"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.
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Joined: Aug 2017
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Joined: Aug 2017
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Fish shown has nerve damage. Most of the time affected area turns black, and may be accompanied by reduced motor function. In the past I collected such fish thinking they were color sports that are genetically based. Usually within 60 days the discoloration was lost. Such fish did not produce similarly colored offspring although I did not line breed back to affected individuals to check for recessive nature of condition is genetic.
The nerve damage most often caused by extreme physical exertion or blunt trauma although internal parasites by be involved with some.
Aquaculture Cooperative Research / Extension Lincoln University of Missouri
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Joined: Jun 2015
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OP
Joined: Jun 2015
Posts: 619 Likes: 73 |
Fish shown has nerve damage. Very interesting! Thanks for the information! I took another look at the photos, and the abdominal area does seem a bit sunken. So if neuropathy is leading to the color change, the correlating atrophy of the nearby musculature may also be evident. I confess I do not know the neuroanatomy of the bluegill, or the correlating dermatomes. He seemed to swim normally, and was in good body condition. Visceral function apparently isn't being (grossly) affected. And he must be compensating just fine for any loss of locomotion. Should have kept him. Dissection may have been instructive.
"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.
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Joined: Jan 2008
Posts: 8,799 Likes: 68
Chairman, Pond Boss Legacy award; Moderator; field correspondent Lunker
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Chairman, Pond Boss Legacy award; Moderator; field correspondent Lunker
Joined: Jan 2008
Posts: 8,799 Likes: 68 |
Luke even some of my trophy male BG [WR 130+] have that shrunken abdominal area...Dr. Bruce Condello [Bigbluegill.com] never seems concerned by it as a sign of poor performance, as the rest of the fish demonstrates very healthy characteristics. I have to admit though, when I see that shrunken area it suggests to me a reason for concern...just doesn't look right to me! One way to resolve this is to assess the WR of any fish with the shrink characteristic - it did set my mind to ease...at least a little bit.
Many men go fishing all of their lives without knowing that it is not fish they are after. ~ Henry David Thoreau
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Joined: Jun 2015
Posts: 619 Likes: 73
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OP
Joined: Jun 2015
Posts: 619 Likes: 73 |
Luke even some of my trophy male BG [WR 130+] have that shrunken abdominal area...Dr. Bruce Condello [Bigbluegill.com] never seems concerned by it as a sign of poor performance, as the rest of the fish demonstrates very healthy characteristics. I have to admit though, when I see that shrunken area it suggests to me a reason for concern...just doesn't look right to me! One way to resolve this is to assess the WR of any fish with the shrink characteristic - it did set my mind to ease...at least a little bit. This guy did not strike me as unhealthy in any way. We have noticed our BG getting more vivid since we started feeding them last year. I know they are spawning/nesting now too, and that also greatly impacts their colors (as I have learned from you and the other pond pros and scientists). We are just really enjoying catching bigger/healthier BG! When I see what you and Dr Condello and others are able to accomplish, I get pretty stoked!
"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.
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Joined: Jan 2008
Posts: 8,799 Likes: 68
Chairman, Pond Boss Legacy award; Moderator; field correspondent Lunker
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Chairman, Pond Boss Legacy award; Moderator; field correspondent Lunker
Joined: Jan 2008
Posts: 8,799 Likes: 68 |
Dr. Condello and your's truly! Brute!
Many men go fishing all of their lives without knowing that it is not fish they are after. ~ Henry David Thoreau
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Joined: Jun 2015
Posts: 619 Likes: 73
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Joined: Jun 2015
Posts: 619 Likes: 73 |
Just.....AWESOME!! If those fish don't give you chills and put a grin on your face, there's definitely something wrong with you.. Thanks for sharing!
"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.
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Joined: Mar 2005
Posts: 21,499 Likes: 267
Moderator Hall of Fame 2014 Lunker
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Moderator Hall of Fame 2014 Lunker
Joined: Mar 2005
Posts: 21,499 Likes: 267 |
Keep in mind that post spawn BG may have lost 20 to 30% of there weight due to spawning/repeatedly.
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Joined: Jun 2015
Posts: 619 Likes: 73
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OP
Joined: Jun 2015
Posts: 619 Likes: 73 |
Keep in mind that post spawn BG may have lost 20 to 30% of there weight due to spawning/repeatedly. So males from the effort of nesting/defending the nest and females from egg production?
"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.
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Joined: Mar 2005
Posts: 21,499 Likes: 267
Moderator Hall of Fame 2014 Lunker
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Moderator Hall of Fame 2014 Lunker
Joined: Mar 2005
Posts: 21,499 Likes: 267 |
Yes , exactly ! By the end of summer they can be in rough condition. Feeding helps as it is a quick method to replenish reserves.
Last edited by ewest; 06/15/18 09:34 AM.
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