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Sexing goldfish (with photos)!

Discussion in 'General Cold & Temperate Water' started by Flaringshutter, Feb 16, 2007.

  1. Flaringshutter

    Flaringshutter
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    Befriend a feeder!

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    At about two years for males, and three years for females, goldfish begin to show signs that can help identify males and females. My darlings started to show and I was able to get a few good shots, so I thought I'd post them.

    Males develop tubercles, white spots on gill covers, as Napoleon, a comet, shows here:

    [​IMG]


    And as my little fancy shows here:

    [​IMG]


    However, Upstart, a female, has compeletely smooth gill covers:

    [​IMG]


    An excellent site with more photos can be found here:

    http://www.bristol-aquarists.org.uk/goldfish/info/sexing-fs.htm



    If anyone else has photos of their goldfish mating or showing tubercles, feel free to add them.
     
  2. Dangerdoll

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    invaluable post, thanks!!!
     
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  3. Flaringshutter

    Flaringshutter
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    Short update- I have a new photo of the tubercles visible on the male's fins. Check it out.

    napoleontubercles.jpg
     
  4. BrkD

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    cool, at what age will they show signs of their sex?
     
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  5. Flaringshutter

    Flaringshutter
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    between two and four years, depending on conditions. most show signs at two and a half, but can't actually breed until about three.
     
  6. BrkD

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    thank you.
     
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  7. Buckdog

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    Comet with an attitude problem.

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    Yeah, thanx. I think now one of my Shubs is male. But my two Wakins and the "Halloween" Shub are blank.
     
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  8. caitylee

    caitylee
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    Yup....

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    How do you know how old your goldfish are? I have 6 goldfish and I have no idea how old they are.
     
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  9. jaysen

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    i eat rats like you for breakfast!

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  10. DAVIDFBT

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    Extinct? Since when?

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    how big are they?
     
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