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Thread: Pics showing how to sex koi?

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    Koigrl's Avatar
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    Pics showing how to sex koi?

    Does anyone have pics of boy and girl parts for determining sex of koi?
    thx!



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    Quote Originally Posted by Koigrl View Post
    Does anyone have pics of boy and girl parts for determining sex of koi?
    thx!
    In these photos four of the eight are females, 14 months old. I'm no expect only been involved with koi 3 years now. Females will be larger with a fuller wider body. Males will have a slim tapered body. On a male you should see or feel bumps on the forward edge of the pectoral fins and the gill plates should feel rough like sand paper.
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    Here is a female vent. As you can see the female vent is pink,puffy and what we call an "outie" as it stands out more than a male. Also the shape is more round..Males will have the sand paper or like a guy hasn't shaved feel on the gills but that is mostly when they are in season. Males are also more slender not having the pouch that a mature female has. The male vent is more like a slit than round.

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    greg, those dazzling platinums. awesome. marie, thank you for the pics of the vent. what age is that koi? at what age, earliest, could you expect to see this?
    max



    Ki Shusui Project : 300k Challenge : 500k Build : Flock Spawn Jamboree : Our Ki Midori Champions



    Thanks to NWRunner and his son, Robbie for this Youtube video of the ki shusui after the 2013 harvest: http://youtu.be/S7pj7vahq_Y

    New Youtube video of the 2014 ki shusui oyagoi.
    http://youtu.be/iibqyaVi1Tg

    Updated for 2014: What is "ki shusui?" Short version http://www.kishusui.com

    The October 2014 Ki Shusui harvest; the 28 best nisai culled to 7 potential oyagoi begins here on post #3244:
    http://http://www.koiphen.com/forums/showthread.php?101961-ki-shusui-project-with-a-twist-)/page163

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    Ya done some good splainin there Lucy ... er Marie.
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    Quote Originally Posted by Koigrl View Post
    greg, those dazzling platinums. awesome. marie, thank you for the pics of the vent. what age is that koi? at what age, earliest, could you expect to see this?
    max

    I believe she was 16" in this pic..I have a female I swore was a male and then all of a sudden she developed her belly"pouch" So the older they are they easier it is..Of course in the Spring when you see fishing chasing that is a good indication of a male to They also say the more rounded the pec fins are that would likely be a female..Also rumor has it, the yellower the nose more likely a male. Your more aggressive fish to eat good chance a female

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    Quote Originally Posted by Rudy View Post
    Ya done some good splainin there Lucy ... er Marie.

    I Like sex I mean sexing koi
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    So what you are basically saying is that there are many traits shared by koi as well as humans when it comes to their gender.

    Male koi and human males tend to not fight over the last spoon of ice cream (see were this is going ). The males will get stubble or rough around the edges when the females are receptive or in the mood. Males, the human kind have no time to shave. Get what you can when you can . Females of both species dictate when it is time to do it (see above).
    Back to the ice cream. Males are slimmer as they get older as compared to the long and massive weight gain of the females.

    The iny/outy thing is not right but I'm working on that.



    You lovely ladies do know that I jest ... you are all lovely and given the chance at Heffs little girls and one that is actually smarter than a box of rocks, I'll take the second because she is surely (don't call me Shirley) more knowledgeable in ALL areas and thusly much more beautiful.
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    "God is a comedian playing to an audience too afraid to laugh."-- Voltaire

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    "There is love of course. And then there's life, its enemy." ... Jean Anouilh



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    Quote Originally Posted by Rudy View Post
    So what you are basically saying is that there are many traits shared by koi as well as humans when it comes to their gender.

    Male koi and human males tend to not fight over the last spoon of ice cream (see were this is going ). The males will get stubble or rough around the edges when the females are receptive or in the mood. Males, the human kind have no time to shave. Get what you can when you can . Females of both species dictate when it is time to do it (see above).
    Back to the ice cream. Males are slimmer as they get older as compared to the long and massive weight gain of the females.

    The iny/outy thing is not right but I'm working on that.



    You lovely ladies do know that I jest ... you are all lovely and given the chance at Heffs little girls and one that is actually smarter than a box of rocks, I'll take the second because she is surely (don't call me Shirley) more knowledgeable in ALL areas and thusly much more beautiful.

    You got it Never quite compared myself to Ruby or Lacy but I guess I could find some similarities Now is Jerry like Bling?, yes! Jerry is layed back like the chagoi
    Marie

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