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Discussion Starter · #1 ·
I keep seeing little white eggs all around my tank. I'm fairly certain they are eggs from my corys, but I don't understand why they are always infertile. I'm pretty sure I have a mix of female and male corys (2 are much larger than the other 4). Any idea why the males aren't fertilizing the eggs?
 

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Discussion Starter · #4 ·


I didn't think about the nerites laying eggs. I have 2 nerites but I don't know their sexes (or how to tell). I assumed they were infertile cory eggs because after some light research, I thought cory eggs became slightly transparent and you could see a dark spot corresponding to the fry in the eggs a few days after being laid. Some of these eggs have been in the tank for weeks--they are everywhere, on the glass, driftwood, plants, and filter intake. It doesn't seem like they are getting eaten and I'm not touching or moving them.
 

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Hi spirgeyooh,

Different species breed differently but typically my Corys would have cleaned the area much more thoroughly and would have laid the eggs in a tighter cluster. Do you have snails, Nerite, in the tank?
 

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I've never had nerites, so I can't say it's theirs, but those don't look like cory cat eggs.

Just so you know in the future, cory cat eggs don't turn transparent, they get darker as they develop. I've hatched a lot of cory cats eggs and they are are a dark brown by the time they hatch.
 
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