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  1. #21
    Extreme Koi Member Rank = Sansai perks842's Avatar
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    Quote Originally Posted by skurban2 View Post
    I think I have it down now. The mature females are usually rounder with no rough touch feel along the face and from a side view their vents are convex. mature males are less rounded and more streamlined in shape they are rough to the touch around the face and when you look at them from a side view their vent is concave.


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    Males are only rough on the gills during spawning, it is to help stimulate the females when rubbing down their side.

    Sent from my ONEPLUS A6013 using Tapatalk

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  3. #22
    Senior Member Rank = Hassai Koiz's Avatar
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    Quote Originally Posted by perks842 View Post
    Males are only rough on the gills during spawning, it is to help stimulate the females when rubbing down their side.

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    I keep telling my boys that girls nowadays much prefer some sweet talk and a bit of fancy fin work as opposed to stubble rash, but will they listen? Telling males from females

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    11,440L Raised Pond, BD, Oase ProfiClear, Bitron 55W, 2x10k Aquaforte Varios, Skimmer to Waterblade

  4. #23
    Extreme Koi Member Rank = Sansai perks842's Avatar
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    Ha ha it's a tough call to sex carp. From body shape, pec fins colourations and shape, vent shape, gills roughness etc

    Vent shape and the gills in spawning are the best ways, should a female be egg bound causing dystocia then manual removal of the eggs can be a winner too (this should only be carried out by experienced and skilled personnel).

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  5. #24
    Senior Member Rank = Gosai Spongebob's Avatar
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    Not sure how scientific it is but the confirmed males in my pond all have hard boney mouths and feed veraciously, the females are the total opposite very soft mouths and feed very gently, the total opposite in fact to humans ..... This is my scientific way to sex koi, and it works 100%
    9000 litre pond, block and fibreglass, BD, skimmer, Nexus 220 with Draco drum,

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  7. #25
    Senior Member Rank = Hassai Koiz's Avatar
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    Quote Originally Posted by Spongebob View Post
    Not sure how scientific it is but the confirmed males in my pond all have hard boney mouths and feed veraciously, the females are the total opposite very soft mouths and feed very gently, the total opposite in fact to humans ..... This is my scientific way to sex koi, and it works 100%
    The battle of the sexes reaches new lows when girls are accused of having the 'fast pie arm' Telling males from females

    But getting back to the pond - I used to think that feeding habits were a clue. I believe I've got mostly females in my pond, (body shape, vent, cheeks) and they all hand feed from me happily. In fact can't put my hand or arm in without being suckered enmasse. Makes window cleaning a fun, group activity. I've even had my nose sucked when trying to get a good look at the bottom on a cloudy day which required my face to be just above the water. Hubs witnessed this and concluded I was way past what could be considered 'normal interaction' with my koi Telling males from females

    The one fish I know for certain is male I think has hand fed twice. It was a triumphant moment, cos he just doesn't like to hand feed - whatever is on offer. He's a classic hard mouthed, lightening grabber.

    Unfortunately my theory that this standoffish behaviour was a boy thing got blown out the water last year when my Kin Mat, who is an avid hand feeder, turned out to be male during an anaesthetised scrape when he produced a load of milt. Darn it!Telling males from females

    So for me I'm back to rough cheeks and lipstick fetishism.

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  9. #26
    Moderator Rank = Supreme Champion Feline's Avatar
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    The milt is the only real way of being sure, unless you’re as confident as Mike Snaden with running water off the leading edge of the pec fins.
    People have been very misled by vent shape.

    One of my best hand feeders is Freddie, my big male Byer Kohaku. He has the biggest lips in the pond bless him (and was a bargain because of being male)

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  11. #27
    Senior Member Rank = Hassai Tom Koi's Avatar
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    Quote Originally Posted by Feline View Post
    The milt is the only real way of being sure, unless you’re as confident as Mike Snaden with running water off the leading edge of the pec fins.
    People have been very misled by vent shape.

    One of my best hand feeders is Freddie, my big male Byer Kohaku. He has the biggest lips in the pond bless him (and was a bargain because of being male)

    Have you a photo and what is Freddie's size, I only ask as I've a Byer Kohaku waiting at the farm for when I'm ready, judging by the way things are going though the fish will be old and grey by that time

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  13. #28
    Moderator Rank = Supreme Champion Feline's Avatar
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    Quote Originally Posted by Tom Koi View Post
    Have you a photo and what is Freddie's size, I only ask as I've a Byer Kohaku waiting at the farm for when I'm ready, judging by the way things are going though the fish will be old and grey by that time
    I havenít had him out to measure at all this year, but I know heís somewhere between 70 and 80cm as heís taller than my window.
    Here is a picture of him from where I am sitting inside the house right now


    Here he is the day I got him

    I love this fish, he has an incredible personality as well as a unique pattern that appeals to me. He is a total pig also

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  15. #29
    Senior Member Rank = Nanasai samp09's Avatar
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    Beautiful koi there, I am planning on buying a couple of Byer Kohaku in spring, they look like phenomenal fish at a reasonable price you'd never get a Jap Kohaku for

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  17. #30
    Senior Member Rank = Hassai Tom Koi's Avatar
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    Quote Originally Posted by Feline View Post
    I haven’t had him out to measure at all this year, but I know he’s somewhere between 70 and 80cm as he’s taller than my window.
    Here is a picture of him from where I am sitting inside the house right now


    Here he is the day I got him

    I love this fish, he has an incredible personality as well as a unique pattern that appeals to me. He is a total pig also

    That's a cracker, Adam and Amanda breed some cracking fish, looking forward to having mine and a few more, got a few with Chris at Kitsu Koi as well,

    Love that Showa to, stunning fish

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  19. #31
    Moderator Rank = Supreme Champion Feline's Avatar
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    Thanks
    The Showa is from Cuttlebrook. The smaller Kohaku on today’s pic is also from Adam and Amanda, was a tosai I got last year with my mukashi from them.

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  21. #32
    Senior Member Rank = Hassai Tom Koi's Avatar
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    Quote Originally Posted by Feline View Post
    Thanks
    The Showa is from Cuttlebrook. The smaller Kohaku on today’s pic is also from Adam and Amanda, was a tosai I got last year with my mukashi from them.

    Very nice, have you got a photo of the Mukashi, I love them

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  23. #33
    Senior Member Rank = Kyusai Mikeh83's Avatar
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    Quote Originally Posted by Feline View Post
    Here you go, some bed time reading for you
    http://www.yumekoi.com/images/storie...-or-Female.pdf
    Thanks for sharing


    Sent from my iPhone using Tapatalk

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