Are my Cory eggs fertilized?

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Randomactsofcaitlin

Registered Member
Original poster
Jan 21, 2020
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Hi all! I am new and I have a question.
Last night I found a clutch of eggs on the glass of my tank. I gently removed them and put them in a plastic cup and suspended it in the aquarium. My male Cory unfortunately died three days ago. The female laid a second clutch in the middle of the night on the cup and on the glass...since my male died, are they unfertilized? Or did the female collect sperm before the male passed? I am new and my local pet store is not helpful..
Thanks for any help!

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Apr 2, 2002
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New York
Did you only have a pair? Normally for serious spawning one needs several males per female. This is because no single male will have enough sperm combined with the fact that spawning with multiple males insures greater genetic diversity. Nature always finds the way that works best for any species.

Besides, it is real neat to be able to watch a mass of corys rolling and tubling through the water in spawning mode.

White eggs are not fertile. It can take 24+ hours for most or all to turn white.
 
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