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How to breed Coral Red Pencilfish "Nannostomus mortenthaleri"


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Has anyone experience with breeding coral red Pencilfish?


I have a group of 12 swimming in a 20 long right now and have two 5g and a 10g without fish in it right now. 


I would like to try to set them up to breed. 

Looking for some help and advice on how to do it.

Like what to feed to condition them, separate male and females,  how to prepare spawning tank, what substrate to spawn them, how to raise the eggs and young fish


Water parameters of course 

Just everything that would help me to be successful. 


Thank you very much 


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On 7/30/2022 at 1:40 AM, TheSwissAquarist said:

pH under or around 6.5

male/female ratio of 1/1

fry hatch after 1 day, free swimming after 5.

otherwise like Nannostomus Beckfordi.

Translated from a French book published in 2003

I hope its helpful🙂

Thank you very much for the information 

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