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Corydoras hastatus (Dwarf Cory) breeding

Aron_Dip

Member
Joined
20 Sep 2012
Messages
433
Location
Walsall, West Midlands
Hi guys just wandering if anyone has successfully breed these in your every day planted tank?

I added around 8 around 9 months back and tbh never really saw much from them But iv noticed a very small One out and about Over the past few weeks I'd say around 5mm in size. (There could be more but not sure as iv only seen 1 out at a time)

Iv tryed to get some pics but there so fast.

The tank There in is the 1 in my sig.

Cheers

Sent from my SM-G900F using Tapatalk
 
Hi all,
Hi guys just wandering if anyone has successfully breed these in your every day planted tank?

I added around 8 around 9 months back and tbh never really saw much from them But iv noticed a very small One out and about Over the past few weeks I'd say around 5mm in size
I've had a pretty similar experience with them, I very rarely see them but I get the occasional fry appear. (Apologies for the picture quality).

corydoras_hastatus_fry3_web_zps943b5c07.jpg


cheers Darrel
 
Many congrats!

I bought 15 of these little guys about a month back. Ive done everything to try and get them to spawn but with no luck so far. My nice big shoal of pygmaeus and hastatus is probably my favourite sight in 5 years of keeping tanks. I dont think there is a better feeling in this hobby than when your fish produce young.
 
I'm not sure but.......
I think it's a tad early for spawning !
Give them a year to mature...then do regular large water changes. ....with water a couple of degrees lower in temperature !
This usually encourages spawning. ....feed them a good variety of food....frozen/pellets/live worms!
Cheers hoggie
 
Pygmy Cory males spawn at 4 months.
The girls take a lot longer to reach this stage
I guess it's about the same for hastatus.
Maybe a touch longer.
I'm overrun with pygmy babies at the moment!
 
Hi
Didn't know that thanks for the information. The ones l had took about a year although l wasn't tring to induce breeding...as you say females will take a tad longer to mature!
Cheers
hoggie
 
Ive bred most fish ive kept but pygmaeus and hastatus are defeating me!! And pygmaeus are supposed to be very very easy.....

My pygmaeus are now just over a year old so they are definitely mature enough. I remineralise ro water to about 150 tds, kh 0. I have lakes nearby with masses of daphnia so they are well fed with live food and quality pellets. Ive read every single article on spawning corydoras and ive tried every trick in the book. They are in well established, healthy planted tanks and still they defeat me :(. The past 3-4 months ive tried pretty hard with them. Maybe daylight hours need to lengthen but im stumped. My latest tactic is to do nothing and do less messing about.....

If you are in the north west Darren and fancy selling some pygmaeus i will set up another tank for them?
 
Hi all,
I have lakes nearby with masses of daphnia so they are well fed with live food and quality pellets.
You could try adding some Grindal and Micro-worms into their diet.

With apologies for the quality, here are some of mine trying to avoid the Apistogramma pair and having a go at some Grindal worms.



cheers Darrel
 
Bridgey_c

I'm down on the south west coast.

This is the second lot of babies I've had,
The first spawning only 1 made it to adulthood.
This time I set up my 40litre quarantine tank and hatched the eggs in there.
Meanwhile another two batches of eggs were laid by another female, so I've ended up doubling my group size in a few weeks!

My tank gets lots of morning sun.
Stats are.
150 - 200 ppm total , depending on ferts.
Ph8
24 °


Are your females big and juicy?
Mine are much bigger than the males.
Have you seen any chasing?

Also, this would be their spawning period in the wild.
 
Hi, yeah my females sometimes look ready to explode. A few weeks back i went and bought a few more females to increase the female/male ratio and the first day after they were introduced i thought they showed slight signs of wanting to spawn. Since then nothing...

My tank gets very little sunshine and also the ph is a lot lower, 6.2-6.6 ish. Could this be a factor? I will give it a month of leaving alone and i will then try increasing the ph by mixing in more of my rock hard, alkaline tap water.

I still have some microworm culture you sent me last year Darrel which i give them but i will try some grindal worms.

Thanks for all of your help and sorry for hijacking the thread slightly.
 
Could be a lack of kh.
Perhaps take it up to 1-2 kh.
My water is 50% ro with the rest plain hard tap water- hence my high pH. But I don't think the pH matters.
 
I was just thinking a bit more about length of day. Most of brazil is in the southern hemisphere and if the corydoras spawn this time of the year then that is in the period where they have their longest day. A quick google shows this to be around 13.5 hrs of daylight around 21st dec. At the moment we are getting not much over 8 hours.

Am i barking up the wrong tree?
 
I was just thinking a bit more about length of day. Most of brazil is in the southern hemisphere and if the corydoras spawn this time of the year then that is in the period where they have their longest day. A quick google shows this to be around 13.5 hrs of daylight around 21st dec. At the moment we are getting not much over 8 hours.

Am i barking up the wrong tree?

Mine go nuts in the dawn sun, so light could be a trigger.
I do wonder about that 0kh and its effect though.
Seriously fish say they need a bit of carbonate hardness
 
Ive added some tap water this morning to raise it slightly, thanks for your help. I will get it right in the end! :)
 
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