Sexing group of 8 Zebra's

We all know how difficult it is to identify the sex of these fish, so please post a picture in here and we'll try to help you (or at least give an educated guess!).
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Hans
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Sexing group of 8 Zebra's

Post by Hans » Mon Aug 03, 2009 9:43 pm

Hi Guys, I would appreciate it if you can help me to sex the followin group of Zebra's. Offcourse I have my own ideas but I am absolutely not sure about a couple of them. I have post three pictures of each Zebra.
One of the odontodes, one of the pectorial fin and one picture of the whole Zebra from above. The pictures:

Zebra 1, total length 6,7 cm (not 8,1 cm):

Image

Image

Image


Zebra 2, total length 6,7 cm (not 7,1 cm):

Image

Image

Image


Zebra 3, total length 7,8 cm (not 7,2 cm):

Image

Image

Image


Zebra 4, total length 8,3 cm (not 7,5 cm):

Image

Image

Image


Zebra 5, total length 8,2 cm (not 6,7 cm):

Image

Image

Image


Zebra 6, total length 7,1 cm (not 6,7 cm):
Image

Image

Image


Zebra 7, total length 7,2 cm (not 7,8 cm):

Image

Image

Image


Zebra 8, total length 7,5 cm (not 8,3 cm):

Image

Image

Image

Thank you!

Hans
Last edited by Hans on Tue Aug 04, 2009 7:55 am, edited 2 times in total.
look at my site (in dutch) www.rioxingu.nl

twinspots_goby
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Post by twinspots_goby » Tue Aug 04, 2009 3:14 am

1, 2 and 6 are females.
L46 x 24 adults + 60 fries

darry
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1,2,6 and 8

Post by darry » Tue Aug 04, 2009 4:29 am

My guess is 1, 2, 6 and 8 are female. And 1 being a gravid female.

However, if 8 is NOT a female, then it will be better. But if 8 is also a female, then you may have problem breeding this group.

Why so? The biggest male I see so far is 7 (at 7.8cm). This male will have difficulties to trap number 1 and 8, which is bigger size than him.

My breeding group is bigger male and smaller female. If there is a successful story on bigger female and smaller male, then there is really nothing to worry.

Meanwhile, with the gravid female in sight, you should do some spawn triggers to get them in the mood for love.

Hans
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Re: 1,2,6 and 8

Post by Hans » Tue Aug 04, 2009 7:53 am

darry wrote:However, if 8 is NOT a female, then it will be better. But if 8 is also a female, then you may have problem breeding this group.

Why so? The biggest male I see so far is 7 (at 7.8cm). This male will have difficulties to trap number 1 and 8, which is bigger size than him.
Thanks for your reply darry (and twinspots_goby :wink: ). I see now that I have made a stupid mistake with placing the length by the fish :shock: . I have correct it now in the original post.
As you can see know the biggest Zebra is number 4 and that is definately a male.

Hans
look at my site (in dutch) www.rioxingu.nl

Stevie.K
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Post by Stevie.K » Tue Aug 04, 2009 1:10 pm

1,2 & 6 females 8 possible female, same as the other post. :wink:

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John
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Post by John » Tue Aug 04, 2009 6:01 pm

1 female
2 female
3 male
4 male
5 male
6 female
7 male
8 female

Nice buy Hans and good to see you here :)
Greetings,
John
[img]http://i185.photobucket.com/albums/x276/hypancistrus-zebra/half.gif[/img]

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