Question Again About Corydoras Fries!!! Please Help!!!

All posts regarding the care and breeding of these catfishes from South America.
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aspidoras paudiacutatus
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Question Again About Corydoras Fries!!! Please Help!!!

Post by aspidoras paudiacutatus »

Hello! Everyone :)
I am back again. I used to ask everyone about How to take care Corydoras Eggs, but at this time, I have a SERIOUSLY question about Corydoras fries. I can hatch some Corydoras fries right now even thought they've not hatched lots enough for me because I really love Corydoras very much, so I really want to have lots for all my tanks. I can hatch some Corydoras Duplicareus and Corydoras Sterbai. I will plan to breed others later after I SERIOUSLY know how to make all my Corydoras fries alive until all of them become a mature by not losing any of them. :(
My question is how big of Corydoras fries can pass a high risk of dying before become a mature. I hope you understand what I mean because all my Corydoras fries still keep dying, but not as many as it used to be. Because I don't really want ANY of them to be dead before they are going to become a mature. I change the water every single day except when I don't really have time, but no more than 2 and half days. I use Sponge Filter and the find-sand with a small heater in 2 and half gallons. Sometimes, but not every single day as used to be, some of my Corydoras fries are still keeping dying, but little by little with no reason, and I think that my water is in a good condition. Is anyone have any suggestions? It will be greatly appreciated. I just really want to know how big or how many inches they won't be dead anymore or pass very high risk of dying. Please! help, and I know that someone told me that Corydoras Duplicareus and Corydoras Sterbai can get very high risk of dying before they will become a mature, but I think that it has to have some tricks or some rules to make all fries still alive until they become matures. If someone know something, please! help. I will wait for any respond every single day. Thank you so much again. I am really appricated that. :(

Bunthid or Max
:)

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Post by apistomaster »

I have the same experience and so far have made improvements but I still only raise about 25% beyond the fragile period you describe. I don't know what would improve this. I have considered adding UV sterilization as an attempt to increase the survival rates because it appears the killer is a bacterial infection. Medications have proved ineffective.
Avid Trout fly fisherman. ·´¯`·...¸><)))º>
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