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Discussion Starter · #1 ·
I'm not sure whether he/she is fat or full of eggs - but there's two fat ones and one small one so I assume 1 male 2 females
 

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It's hard to see your fish at the photo resolution you used - often thumbnails are like that.
 

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In most cories, males are slender and longer with more pointier snout while female are rounder specially around the belly area and around the head.
 

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Discussion Starter · #6 ·
I've never seen her do any mating behavior . I guess the male may not be mature enough - or I simply don't have enough males
 

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I bought two Julii Corys at the same time from the same tank/seller. They were identical in size and shape. However, 6 months later, the smaller/slimmer one is clearly a male while the other one - twice the size of the first - is a female. And they are inseparable (although I do not expect to see any offspring.)
 
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