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Peppered Cory eggs and Fat lil' pymgies
Posted: 06 Jul 2005, 19:20
by catfishgrrl
I've had one of my Corydoras paleatus for a while now, and bought her some more friends last month.
She and the boys have been very friendly the last few days. I had been conditioning them this past week, but wasn't expecting them to breed so soon.
Yesterday I was checking my email and looked over and saw the classic cory T postion.
About an hour later I checked on them and there she was carrying eggs over to the front glass.
I've managed to collect about 20 eggs, and they're fertile.
No white ones yet <crossing fingers>.
Hopefully by Sunday or so, I'll have some babies to tend to. 
Some of my Habrosus females are getting pretty plump. Do they breed as readily as Paleatus? How big are their eggs compared to other corys?
Do they need their own (smaller) tank or will they breed with Paleatus hanging around?
Thanks in advance.
Steph
Posted: 06 Jul 2005, 21:42
by corybreed
Habrosus eggs are much smaller at 1mm. The paleatus eggs are 1.8mm. The habrosus will spawn in the same tank but the paleatus will eat the eggs. It would be best to set up a small tank of their own. Although they are not as easy as the paleatus you should be able to breed them. Good luck with the paleatus eggs.
Mark
Posted: 07 Jul 2005, 03:35
by catfishgrrl
Thanks Mark.
corybreed wrote:It would be best to set up a small tank of their own.
Would a ten gallon with a sponge filter suffice?
I've bred Rainbows and dwarf cichlids, but I'm new to breeding corys.
Posted: 12 Jul 2005, 21:19
by catfishgrrl
After I collected the eggs, I added an Elite Stingray 10 to the tank and directed its flow to hit the bottom of plastic floating hatching
container; I couldn't find my hanging net.
I used a plastic pippette and cleaned out any "crusties" of food everyday. I had a culture of microworms and vinegar eels ready and waiting...
Last night the eggs hatched. It was really neat. I HAD around ten babies.
This morning I woke up and they're all gone. I thought the vents on the bottom of the container were too small for them, but apparently not. The female is laying eggs again today. I'm going later and getting another net hanging breeder and try this again. <Fingers crossed>
Steph
Posted: 12 Jul 2005, 22:24
by bronzefry
First, congrats!
The plastic containers I think you mean are generally made for livebearers, I think? Those slots are easy for them to get through. But, fry can blend in easily. Do you have a spare 10 gallon tank that you can use as a fry rearing tank? I had a bad experience with net breeders and Cories. Fry have tender barbels that can get caught in the netting.
Posted: 15 Jul 2005, 10:10
by catfishgrrl
Yeah. Now that I think of it, it was for livebearers.
I can easily get a 10 gallon tank. I've not moved several of the spare tanks here yet.
I can put the newer filter in the 10 gallon.
Do you suggest a bare bottom, or a small anount of sand for the rearing tank?
Thanks a bunch.
Posted: 15 Jul 2005, 15:21
by corybreed
A bare bottom tank is best for rearing the fry. It will be much easier to keep clean and to siphon all the detritus off the bottom. Fry react quickly to poor water quality. Make sure you do plenty of water changes. I learned a secret form the great fish breeder Rosario LaCorte to use a handful of crushed coral in the rearing tanks to keep the pH from crashing. If you start with soft water and do the frequent feedings that the fry require to grow, the pH can become more acidic and the fry will die off quickly. The crushed coral will prevent this problem from occurring.
Mark
Posted: 15 Jul 2005, 15:22
by bronzefry
Barebottom, for ease of cleaning.
Posted: 15 Jul 2005, 20:21
by catfishgrrl
Thanks tons!
Looks like I need to gather a 10 gallon and crushed coral.
Posted: 16 Jul 2005, 14:50
by bronzefry
Thanks for the crushed coral tip, corybreed!
Posted: 17 Jul 2005, 07:22
by catfishgrrl
This may sound silly, but how much light do cory fry require?
I have them in a 5 gallon with soft water, and I'm keeping my fingers crossed.
Posted: 25 Jul 2005, 08:41
by catfishgrrl
catfishgrrl wrote: I thought the vents on the bottom of the container were too small for them, but apparently not.
I saw one of the escapees tonight. 
He was just hanging out in some Anacharis. By the time I got something to get him out, he'd disappeared again.
He'd grown considerably though. Maybe he has some buddies in there with him.