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Nannostomus marginatus
December 13, 2011
11:26 am
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ste12000
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Males are thinner than females and have more intense colouration
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After being placed into this spawning tank the evening before it was not until 4pm the next afternoon that the male slowly showed a interest in leading the female into the spawning mop.
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Rapid chasing and the male nudging the females vent while pushing her into the mops are all characteristics of a successful spawning attempt.
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The fish head into the mop.
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Eventually line up side by side and spawn a egg or two. This can continue for many hours.
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December 13, 2011
8:56 pm
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Matt
Málaga, Spain
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More good work Ste. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> What's the spawning medium?

Cake or death?
December 14, 2011
12:04 am
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unissuh
Australia
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November 12, 2011
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Looks like acrylic wool to me, I have a few mops lying around that look just like that.

Good to see how it's done, been thinking of trying a pencilfish species myself recently. Do you condition the sexes separately, or do they not tend to spawn as easily when they're in a group?

December 14, 2011
2:39 pm
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ste12000
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QUOTE (Matt @ Dec 13 2011, 08:39 PM) < {POST_SNAPBACK}>
More good work Ste. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> What's the spawning medium?

Hi Matt, its a homemade mop using a different type of wool/yarn.. It allows a bit easier movement within the mop. I cant take any credit, i learned this trick from Master breeder Mr Alan Vassiere.

QUOTE (unissuh @ Dec 13 2011, 11:47 PM) < {POST_SNAPBACK}>
Looks like acrylic wool to me, I have a few mops lying around that look just like that.

Good to see how it's done, been thinking of trying a pencilfish species myself recently. Do you condition the sexes separately, or do they not tend to spawn as easily when they're in a group?

I condition the fish in the same tank in most cases, i keep them in bare tanks in the fishroom so theres not much oportunity for them to spawn whilst together.

This is the first time ive spawned N.marginatus so im still learning the ins and outs, they are keen spawners which spawn 24 hours after entering the breeding tank, i always heard that they are prolific egg eaters?? didnt witness this myself over 4 spawnings but despite shaking the mop on a regular basis while the fish were spawning i have only got low numbers of fry, a good freind of mine reports they are continuous spawners so ill continue to experiment with them.

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