Pair eating their eggs

Pair eating their eggs

Postby Alexandre » Fri Apr 07, 2017 12:10 pm

Hello, breeders!
I have a pair of picasso percula that eats every single spawn by day four after laying. I have been improving feeding offering
mysis, white worms and home made paste food made of marine goods.
They are fed three to four times a day.
What would be the best way to hatch the eggs artificialy, if possible?
Thank's!

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Re: Pair eating their eggs

Postby Luis A M » Tue Apr 11, 2017 11:20 am

ola,Alexandre,
The key point here is wether the eggs are fertile or not :?:
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Re: Pair eating their eggs

Postby Alexandre » Tue Apr 11, 2017 4:20 pm

I guess they are. Because they get dark with time.

Thank's !
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Re: Pair eating their eggs

Postby Luis A M » Thu Apr 13, 2017 12:56 pm

Yes,usually fertile eggs darken up after some days,but you should look for eye development to ascertain fertile status.Unfertile eggs sometimes turn whitish.
You could incubate artificially and look for development. :wink:
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Re: Pair eating their eggs

Postby Alexandre » Thu Apr 13, 2017 4:45 pm

That' s the point!
I would like to know how to do it properly.
By the way, they have another spawn right now.
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Re: Pair eating their eggs

Postby Luis A M » Mon Apr 17, 2017 3:56 pm

Are they laying in some removable substrate?.You have to pull the nest and place it in another tank with an airstone moving the eggs.
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Re: Pair eating their eggs

Postby Alexandre » Mon Apr 17, 2017 8:54 pm

Yes, they lay on clay pots.
Only an air stone with the eggs would work?
From day 3 ?
No need to add any medication?

Thank's very much, Luis!
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Re: Pair eating their eggs

Postby Luis A M » Tue Apr 18, 2017 2:11 pm

You can add antibiotics,but at this time,your goal is just to find out if the eggs are fertile,as evidenced by eye development.You can also check some eggs under the scope if you feel in the research mood :D
If your fish are eating fertile eggs,AI can solve the problem. :wink:
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Re: Pair eating their eggs

Postby Alexandre » Tue Apr 18, 2017 3:13 pm

Ok. I will do that.

Thank's once again!

Regards;

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Re: Pair eating their eggs

Postby Amie » Sun Apr 30, 2017 3:07 pm

So I'm curious, Luis...if the parents are eating fertile eggs, is there some way to stop that? I have had this problem in the past, but never was able to resolve it.
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Re: Pair eating their eggs

Postby Luis A M » Tue May 02, 2017 3:01 pm

double post
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Re: Pair eating their eggs

Postby Luis A M » Tue May 02, 2017 3:06 pm

There are 3 methods that come to my mind.
1-improve diet and provide a calm environment,in the hope that they quit doing that.
2-Artificial incubation since day 1 or before the eggs are eaten.I have never done it but didn´t have read that it can´t be done either.Parents fan and mouth the eggs and remove any bad egg.Fanning can be done with a closeby airstone,and the effect of mouthing is not fully understood but if it protects the eggs from bacteria,the use of antibiotics should help.
3-Give the nest to foster parents.IME they are accepted in about 50% of the trials.
Lastly,placing a screen close to the eggs preventing them to be eaten has been proposed,but I imagine it quite problematic.
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Re: Pair eating their eggs

Postby Alexandre » Tue May 02, 2017 4:19 pm

Thank's, Luis!
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