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Old 12-25-2010, 08:28 AM   #1
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Question Help! Corydoras' are laying eggs

Well, I have two corydoras', that have started laying eggs



They're only about 18 hours old in this picture and I have put them in a separate bowl to prevent the other fish from eating them. But I was curious if they looked as if they'd turn into fry, I have about 16 of them, and the mother started laying on late Christmas eve (the shops are all shut now, and tomorrow)
so I can't get java moss and micro worms etc at the moment, but I've heard they take a few days to hatch so I should have them in time if needed I can take more pictures tomorrow of them if you can't really tell at this stage, thanks for reading!
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Old 12-25-2010, 10:38 PM   #2
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Now that they're 24hrs+ little black dots are appearing inside the eggs and they're turning even yellower
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Old 12-26-2010, 01:46 PM   #3
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Now 2 days on, they've been moved to a bigger container
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Old 12-26-2010, 08:23 PM   #4
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The problem with fungus on the eggs is that there's no circulation in this container. You may have to change the water periodically if they're staying in this bowl for an extended time, preferably with warm water (at or near the temp of the parent tank). The eggs should be firming up and will normally take about 4 days minimum to hatch. Keep us posted.
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Old 12-26-2010, 08:38 PM   #5
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Ah, right thanks, I held the container over a light and in a few of the eggs a brown shape with a black dot can be seen, which I'm hoping is the fry.
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Old 12-27-2010, 11:07 AM   #6
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They eggs are now 3 days old, but I only have four as I removed the ones with fungus..
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Old 12-27-2010, 07:43 PM   #7
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cool good luck!
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Old 12-28-2010, 08:57 AM   #8
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Unfortunately I removed the last four eggs this morning, as they had caught the fungus, so anyone thinking about breeding corys should get Methyl Blue or something similar to help prevent this.
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Old 12-30-2010, 01:44 PM   #9
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The Corydoras' laid another 43 eggs yesterday night, although we got 30 out of the tank away from the other fish. So we went out and got Methyl Blue today and put the dose in, we now have a tub of blue water.. Hopefully they'll make it this time. The eggs look the same as last time, I also seen the Corydoras' in the 'T'.
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Old 12-30-2010, 02:41 PM   #10
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Cool hope they hatch keep us informed.
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Old 12-30-2010, 04:01 PM   #11
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Cleggat

Methelin Blue will help in regards to preventing fungus to a degree ...

I would also suggest a pump and an airstone to keep water circulating. One of the reasons why some eggs dont hatch is due to water currents. I learned this when artificially hatching angelfish back in the 70s ...
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Old 12-30-2010, 09:54 PM   #12
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Yeah we have an airstone but not an extra pump :/
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Old 01-01-2011, 05:01 PM   #13
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3 days old now and they're looking good, fingers crossed for tomorrow
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Old 01-01-2011, 05:42 PM   #14
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keeping fingers crossed cool new start to a new year.
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Old 01-01-2011, 07:21 PM   #15
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Thats good how are they now?
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Old 01-02-2011, 01:54 PM   #16
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I looked at the eggs a few hours ago and instead of being able to see the little black shape inside as normal... A few were blurry, when I get back home I'll see if any have hatched.
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Old 01-02-2011, 06:42 PM   #17
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Well, I removed the eggs today, they were beginning to get fuzzy... So I'm giving up on any eggs for now.
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Old 01-02-2011, 06:53 PM   #18
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I'm sorry maybe the one in the tank have hatched
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Old 01-02-2011, 07:01 PM   #19
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My Blue ram would've ate it already :s
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Old 01-03-2011, 06:51 PM   #20
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It sounds like you have some active egg layers, so you should have more chances... I'd still favor circulation over the chemical approach. Is there a piece of decor in the main tank that you could hide the eggs in, something with an opening for just enough flow to keep them from fuzzing up?
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