which cory

they easiest to breed would be the c. aenues (bronze cory). I would go with groups of at least 5. Depends on what you are putting in the tank I guess. You could do like 5 bronze and 5 pandas in one tank. You have a lot of choices but for breeding bronze would be easiest.

pics are of my bronze cory juvies the male cory is at the far right. The other pic is of my new sodalis. I am probably going to go with 4 pandas, 3 sodalis, and 2 zagatus in a 30 and try to condition them for breeding. I only have 3 sodalis and 2 zagauts because that's all I could find around here. So many good choices and so many have been breed, check c.sterbai, adolfi,and of course the julli and trilneatus.

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I would think that bronze (c. aeneus) would be easiest, they are availble in albino as well. I had my sterbai spawn many many times as well.
 
i agree with the bronze cory suggestions. apparently pandas are pretty easy to but i find them the most delicate of the corys. good luck! i hope we see some fry pics soon!
 
We have Trilineatus (sold as juli most of the time) They had babies just a month ago, but we've had them for a year or so. We also have some Brevirotus or something. The trilineatus are really active compared to the brevs. They all swim around, but the brevs like to hide alot. We haven't had any other types of cories. Trilineatus are really common probably because they are so active. They also aren't particular hard to breed from what I've read, but I didn't do it on purpose so who knows.

We have 2 Triline and 3 Brev. Oh and of course 19 Triline babies. The more the merrier it seems for corydoras.
 
Trillis and any of the aneus for sure are very easy to spawn.
 
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