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I think I have cory eggs. I moved them to a breeder tank because I didn't want the ghost shrimp to demolish them. I am not sure if they will hatch or not. Any advice?

Do you know what species of cory laid the eggs? Also, when did you find them? I can give you more specific info by knowing the answers to these questions.

Corydoras eggs usually hatch between two and five days of being laid. If yours are a few days old already, they will hatch either soon or not at all.

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And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."

I have the generic albino cories. The eggs have changed from clear to tannish, but they are looking a little fuzzy around the edges. I think they might have a fungus.

If so, they probably weren't fertilized.

If you really want to catch some eggs, set up a small tank with a sponge filter, put some java moss in the tank with the cories and when you see eggs on the java moss, just move it.

My habrosus cories have been spawning regular, but the other cories enjoy the caviar in the middle of the night. I just don't have room to add another tank. When I move I'd like to have a specialty tank for such experiments

Fry are lots of work and have specialized needs for food. It is fun and gratifying, but lots of work.

If some should hatch, remove the fungused eggs. In fact, if some are fungusing and some aren't remove those that are.

They will need microscopic food. If you have real plants and can put some in the other tank with the fry, there is life in there they can eat, especially if fine leaved. I would also have some liquifry on hand too, should you see fry.

I don't know about cories, but I know with other egglayers, they hatch and have an eggsac. You don't need to feed them until that egg sac has been used up and I'm not sure about the timeline - maybe a day or two. Then the Liquifry for Egglayers or Wardly Fry food for egglayers would be a good first step.

Thanks, I am off to squint at the eggs again. Does anybody, by chance have pictures of good cory eggs and fungused eggs?

Not pics of cories, but here's a little something. I've seen it in books, and not as good in what is in the link, but if you see fuzz, try to pick away that egg or that cluster (it spreads rapidly to healthy eggs). Some fish, like certain cichlids, will pick away any eggs that appear bad so they don't spoil the batch. We must do the same.

Having methylene blue in the water will prevent them from fungusing if it goes in right away, but it also stains everything.

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Thanks for the link Cory, if I don't see any difference tomorrow, I will remove them. I wouldn't want to take a chance on making any of the fish sick from possibly bad eggs.

I feel in many respects that breeding fish can be a lot like breeding dogs. You do it for the love of the breed, and not necessiarly to make money. Plus there are a lot of other breeders and pups out there, that you need to think hard and long about what you want to breed.