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Hello
I would like to have an identification of these Corydoras as well as a sexing.
They measure about 6 cm and are at least 7 years old.
What do you think ?

Specimen 1:


Specimen 2:


Specimen 3:


Thanks

Yes, they look like to me. But I can't sex them in these photos.

Cheers,
Eric

Ok thanks.
What photos do you need to sex them?

It's the same as for most corys: A clear view of the shape of the pelvic fins a s an overhead view of the girth of the body.

Cheers, Eric

Hello,
I managed to catch all 3. Unfortunately, the pelvis do not seem rounded enough to me for it to be a female. What do you think ?

Middle fish may be a thin female. Otherwise, you have 3 male in think.

Cheers, Eric

I will take pictures. Can a bottom view help?

Not sure. Sometimes the finnage, if slightly torn or edge is frayed, can be ambiguous. The body girth says male, but the fins aren't clearly pointed as they are in the other two fish.

Cheers, Eric

I took the 3 in photo (I had a doubt about the individual asking question). I have observed them and the pelvics seem to be pointed. Seen from below, they also look identical.





I have already had breeding Corydoras aeneus in the same tank but they never reacted. Maybe this is also a sign that there is no female of their species?