Corydoras sterbai preferred spawning sites
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Corydoras sterbai preferred spawning sites
Hello all,
I recently made a thread about my sterbai.
They must be happy, because they are spawning! The have placed eggs in quite the random places, near the surface, on the magnetic scrubber, on Vallisneria leaves, on wood, the Anubias attached to the wood, etc. Strangely enough, not on the 3D background though!
I have noticed the females take quite a bit of time deliberating where to place the eggs; is this normal?
Or,
I has thinking maybe I should change the layout a bit or add some Amazon swords / more wood maybe? Do sterbai have preferred spawing sites / ones they utilize more? I would like to reduce stress on the females...but maybe they are naturally fussy?
Thanks in advance!
I recently made a thread about my sterbai.
They must be happy, because they are spawning! The have placed eggs in quite the random places, near the surface, on the magnetic scrubber, on Vallisneria leaves, on wood, the Anubias attached to the wood, etc. Strangely enough, not on the 3D background though!
I have noticed the females take quite a bit of time deliberating where to place the eggs; is this normal?
Or,
I has thinking maybe I should change the layout a bit or add some Amazon swords / more wood maybe? Do sterbai have preferred spawing sites / ones they utilize more? I would like to reduce stress on the females...but maybe they are naturally fussy?
Thanks in advance!
- bekateen
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Re: Corydoras sterbai preferred spawning sites
Hi Quokka,
Congratulations! My sterbai used to lay eggs all over the glass and in a spawning mop. So plants will be helpful.
Cheers, Eric
Congratulations! My sterbai used to lay eggs all over the glass and in a spawning mop. So plants will be helpful.
Cheers, Eric
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- TwoTankAmin
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Re: Corydoras sterbai preferred spawning sites
I would offer one more suggestion. They may eat the eggs, so for maximum survival purposes you may want consider pulling the eggs to a hatching tank or container.
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Re: Corydoras sterbai preferred spawning sites
Thanks! I guess plants with long, thick leaves like larger Anubias will fit the bill? I have trouble keeping plants alive but the Java fern I have seem to be doing rather well....I will get more of those!
On I side note they are still spawning....were they this easy to spawn? I am considering getting more adults to mix the genes even more!
They place the eggs quite high so I am not sure they will find them again...but just in case! And for ease of feeding fry I have a 7 gallon low tank currently stabilizing for their arrival! How should I move them? Do I use a turkey baster directly or should I gently nudge the eggs off and then pick them up with it?TwoTankAmin wrote: ↑03 Feb 2019, 19:20 I would offer one more suggestion. They may eat the eggs, so for maximum survival purposes you may want consider pulling the eggs to a hatching tank or container.
- bekateen
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Re: Corydoras sterbai preferred spawning sites
Anubias would be fine, but java moss might work too.
Yes, they are easy to spawn once they get started.
Cheers, Eric
Yes, they are easy to spawn once they get started.
Cheers, Eric
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Re: Corydoras sterbai preferred spawning sites
Java moss is also basically bomb-proof, so if your Anubias is staying alive Java moss will stay alive, too. I see you're outside the US, so in case the names are different here's the Wikipedia article with the several scientific names Java moss has been described under, as well as a photo.
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Re: Corydoras sterbai preferred spawning sites
Cory eggs are sticky and by an hour after laid they can be handled gently. The trick is unsticking them from whatever to which they are stuck. Years ago an accomplished breeder said he would gently pry them off the glass with a razor or similar edged object into his fingers. When I tried that I just made free floating eggs. So I resorted to using airline tubing to just suck them off and directly into a 2.5 gal tank with a few inches of water in it.
The only thing to be aware of is that if you suck off too many eggs too fast they can get stuck in a bunch inside the tubing. Once you have the eggs and accompanying water in the hatching tank, fill it with water and add a heater and air powered sponge or air stone. You can add some methylene blue to the water to prevent fungus but this should be removed via water changes and carbon once you have wigglers.
I would add an moss covered rock shortly before they absorb their yolk sac to provide infusoria for the first few days before starting the feed BBS.
There are some very good cory breeders here and hopefully they will add anything I missed or correct anything they think I have wrong. I have not worked with corys for quite a few years now. I mostly have them in community tanks.
The only thing to be aware of is that if you suck off too many eggs too fast they can get stuck in a bunch inside the tubing. Once you have the eggs and accompanying water in the hatching tank, fill it with water and add a heater and air powered sponge or air stone. You can add some methylene blue to the water to prevent fungus but this should be removed via water changes and carbon once you have wigglers.
I would add an moss covered rock shortly before they absorb their yolk sac to provide infusoria for the first few days before starting the feed BBS.
There are some very good cory breeders here and hopefully they will add anything I missed or correct anything they think I have wrong. I have not worked with corys for quite a few years now. I mostly have them in community tanks.
“No one has ever become poor by giving.” Anonymous
“Everyone is entitled to his own opinion, but not to his own facts.”" Daniel Patrick Moynihan
"The good thing about science is that it’s true whether or not you believe in it." Neil DeGrasse Tyson
“Everyone is entitled to his own opinion, but not to his own facts.”" Daniel Patrick Moynihan
"The good thing about science is that it’s true whether or not you believe in it." Neil DeGrasse Tyson
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Re: Corydoras sterbai preferred spawning sites
Appreciate the information, I've been trying to get my sterbai to spawn. Patience hasn't worked. I've moved them to the tank below on the rack. That bottom row is darker and a little cooler. I also added sand to the tank and gave them a spawning mop. I'll add some Java Moss too.
- bekateen
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Re: Corydoras sterbai preferred spawning sites
As far as sterbai daily temps, I was spawning mine at about 83F. That said, my water changes were about 70F.
Good luck Lisa.
Cheers, Eric
Good luck Lisa.
Cheers, Eric
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Re: Corydoras sterbai preferred spawning sites
Great! I'll bump up their heat. Thanks so much Eric!
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Re: Corydoras sterbai preferred spawning sites
Thanks for all the replies! I actually have trouble keeping Anubias alive but Java fern and moss are both doing fine so I will add more of both! Hopefully they keep spawning and I can raise some of their babies!
Good luck Lisa!! Mine are spawning at about 28C.
Good luck Lisa!! Mine are spawning at about 28C.
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Re: Corydoras sterbai preferred spawning sites
Thanks Quokka! Good luck with your fry.